Logistics Dictionary
Find definitions and terms used in logistics, shipping, and supply chain management
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Terms Starting with "S"
Said to Contain (STC):
Said to Contain, abbreviated STC, is a shipping term used in freight documentation to indicate that the contents of a container, pallet, or package are declared by the shipper but have not been physically verified by the carrier. In logistics, STC is important for liability, customs compliance, and documentation accuracy. While carriers rely on the shipper’s declaration for loading and transport, misdeclarations can result in delays, penalties, or cargo claims. STC is commonly used in containerized shipping, multimodal transport, and international freight operations where direct verification of contents may be difficult. Characteristics:
Serial Shipping Container Code (SSCC):
The Serial Shipping Container Code, or SSCC, is a unique identifier assigned to logistic units such as pallets, containers, or shipments for tracking throughout the supply chain. SSCCs are standardized under GS1 protocols and allow automated tracking, inventory management, and visibility of goods in transit. They facilitate warehouse operations, distribution, and integration with electronic data interchange (EDI) systems. The SSCC ensures traceability, improves operational efficiency, reduces errors, and supports compliance with global shipping and logistics standards. Characteristics:
Service Level:
Service Level in logistics refers to the agreed or expected standard of performance in transporting, handling, and delivering goods. It may include delivery speed, order accuracy, shipment condition, and responsiveness to customer inquiries. High service levels ensure customer satisfaction, reduce errors, minimize returns, and maintain reliability across the supply chain. Logistics providers often define service levels in contracts, key performance indicators (KPIs), or service level agreements (SLAs) to monitor and improve operational performance. Characteristics: Monitored via KPIs or SLA
Shelf:
In logistics, a shelf is a flat surface or platform within a warehouse, store, or storage facility used to organize, store, and display goods. Shelves facilitate easy access, inventory visibility, and systematic storage, supporting efficient picking, replenishment, and inventory management. Depending on cargo type, shelves can vary in size, material, and configuration, and are essential for both bulk storage and retail operations. Shelves also support categorization, FIFO/LIFO inventory methods, and compliance with safety standards in warehousing. Characteristics:
Shipment:
Shipment is the movement of goods from a shipper to a consignee using one or more transport modes. Shipments include the physical cargo, documentation, and associated transport processes such as packing, labeling, customs clearance, and tracking. Effective shipment management ensures timely delivery, maintains product integrity, reduces transportation costs, and supports supply chain efficiency. Shipments can be domestic or international, and their success depends on route planning, carrier selection, compliance with regulations, and coordination with warehousing and logistics partners. Characteristics:
Shipper:
A shipper is an individual, company, or organization responsible for initiating and arranging the transport of goods to a consignee. The shipper handles tasks such as packaging, labeling, documentation, booking carriers, and compliance with customs and transport regulations. In logistics, the shipper is critical for ensuring cargo readiness, accurate documentation, and effective coordination with freight forwarders, carriers, and warehouses. Shippers may also be liable for misdeclarations or damage caused due to improper handling or documentation. Characteristics:
Shipping line:
A shipping line is a company or operator that owns and manages vessels for transporting cargo by sea. Shipping lines offer scheduled services for containerized, bulk, or RO/RO cargo and are responsible for the safe carriage of goods, vessel scheduling, and coordination with ports and terminals. In logistics, shipping lines play a crucial role in international trade, providing tracking, documentation, and reliable maritime transport. Selection of a shipping line affects transit time, freight cost, cargo safety, and service reliability. Characteristics:
Shipping Quote:
A Shipping Quote is a formal estimate provided by a carrier, freight forwarder, or logistics provider outlining the cost, terms, and conditions for transporting goods from origin to destination. It includes charges for freight, surcharges, handling, insurance, customs, and additional services. Shipping quotes allow shippers to compare options, budget transport costs, and select the most suitable carrier or service level. Accurate quotes are essential for financial planning, contract negotiation, and transparency in logistics operations. Characteristics:
Shortage:
In logistics, shortage refers to the condition where goods, materials, or inventory are insufficient to meet demand, orders, or production requirements. Shortages can result from supply disruptions, forecasting errors, delays in shipment, or mismanagement of inventory. Effective shortage management involves monitoring stock levels, coordinating with suppliers, expediting shipments, and adjusting production or distribution plans. Minimizing shortages is critical for maintaining service levels, customer satisfaction, and continuity of operations in the supply chain. Characteristics:
Side Loading:
Side Loading refers to the method of loading and unloading goods from the side of a truck, container, or trailer using forklifts or conveyor systems. This method is commonly used when rear access is restricted or when large or awkward cargo cannot be handled from the back. Side loading is particularly important in urban logistics, warehouses with limited space, and specialized transport operations where efficiency and safety are critical. Proper side loading techniques reduce damage, improve handling speed, and support optimized use of storage space. Characteristics: Used in specialized transport
Six Sigma:
Six Sigma is a quality management methodology used in logistics and supply chain operations to improve processes, reduce errors, and enhance efficiency. It focuses on identifying and eliminating defects, standardizing procedures, and using data-driven decision-making to optimize performance. In logistics, Six Sigma can be applied to warehouse operations, inventory management, transportation, and order fulfillment to reduce delays, minimize waste, and ensure consistent service levels. The methodology often uses statistical tools and key performance indicators to measure process improvements. Characteristics: Enhances efficiency
Skid Steer:
A Skid Steer is a compact, maneuverable vehicle equipped with lift arms that can attach to various tools for lifting, moving, or loading materials. In logistics and warehouse operations, skid steers are used for material handling, loading/unloading heavy items, clearing storage areas, and moving pallets or containers. Their small size allows them to operate in confined spaces, making them valuable in warehouses, construction logistics, and distribution centers. Skid steers improve efficiency, reduce manual labor, and support safe material handling. Characteristics: Reduces manual labor
Slow-moving Items:
Slow-moving items are products or inventory that have low turnover or infrequent demand. Managing slow-moving items requires careful inventory control, storage optimization, and forecasting to avoid overstocking or obsolescence. In logistics, these items are often stored in dedicated areas to maximize warehouse efficiency and minimize carrying costs. Monitoring slow-moving items also helps with replenishment planning, clearance strategies, and improving overall supply chain performance. Characteristics:
Small-Parts Warehouse:
A Small-Parts Warehouse is a specialized storage facility designed to store, organize, and manage small components, fasteners, or high-volume low-weight items. These warehouses utilize shelving, bins, automated storage, and picking systems to ensure efficiency, accuracy, and quick access. In logistics, small-parts warehouses support assembly operations, spare parts distribution, e-commerce fulfillment, and just-in-time supply chains. Effective management reduces picking errors, improves order accuracy, and optimizes space utilization. Characteristics:
Spare Parts Logistics:
Spare Parts Logistics involves the planning, storage, distribution, and transportation of spare or replacement parts for machinery, vehicles, or equipment. It ensures that critical parts are available when needed to minimize downtime and maintain operational continuity. Spare parts logistics requires inventory forecasting, strategic warehouse placement, and fast shipping solutions. Efficient management reduces maintenance delays, improves service levels, and ensures cost-effective operations across the supply chain. Characteristics: Supports cost-effective operations
Special Transport:
Special Transport refers to the movement of oversized, heavy, hazardous, or delicate cargo that requires specialized vehicles, equipment, or permits. This includes abnormal loads, temperature-sensitive shipments, and high-value items. In logistics, special transport operations involve route planning, safety measures, compliance with regulations, and coordination with authorities. Effective execution ensures safe delivery, prevents damage, and meets customer requirements for sensitive or non-standard cargo. Characteristics:
Specifications:
Specifications are detailed descriptions, standards, or technical requirements of goods, materials, or processes used in logistics and supply chain operations. They ensure consistency, quality, and compliance with customer requirements, regulatory standards, or internal company policies. In logistics, specifications guide packaging, handling, storage, and transportation methods to prevent damage, errors, or quality issues during the supply chain flow. Proper documentation and adherence to specifications are essential for operational efficiency and customer satisfaction. Characteristics:
Split Delivery:
Split Delivery is a logistics strategy where a single order is divided into multiple shipments to be delivered separately, either due to inventory availability, transport constraints, or customer requirements. This approach allows partial fulfillment, maintains supply chain flexibility, and optimizes delivery schedules. Split deliveries are commonly used in e-commerce, retail distribution, and situations where time-sensitive items must arrive earlier than the remaining order. Proper coordination ensures accurate tracking, reduces delays, and maintains customer satisfaction. Characteristics: Supports supply chain flexibility
Spot Market:
The Spot Market in logistics refers to a marketplace where transportation services or freight capacity are procured on an immediate or short-term basis, rather than through long-term contracts. Shippers use the spot market to handle urgent deliveries, seasonal spikes in demand, or unexpected shipment needs that cannot be covered by existing agreements. Rates in the spot market fluctuate frequently based on vehicle availability, route demand, fuel costs, and market conditions. Effective use of the spot market requires careful planning, real-time rate monitoring, and coordination with carriers to ensure timely delivery while managing costs. Characteristics: Supports supply chain agility
Standardisation:
Standardisation in logistics is the process of creating uniform systems, processes, and specifications for handling, packaging, labeling, storing, and transporting goods across the supply chain. It ensures that procedures are consistent, reducing errors, improving efficiency, and simplifying staff training. Standardisation also enhances compatibility between warehouses, transport modes, and software systems while facilitating regulatory compliance and quality control. Examples include standard pallet sizes, uniform barcode systems, consistent documentation formats, and standard operating procedures for inventory management. Characteristics:
Starboard:
Starboard is the term used to indicate the right-hand side of a ship or vessel when facing forward toward the bow. In logistics and maritime operations, understanding starboard is critical for navigation, docking, vessel maneuvering, and cargo operations. Accurate knowledge of starboard and port (left) sides ensures safe loading and unloading, proper placement of cargo, and effective coordination between deck crew and port operators. Starboard identification also plays a key role in maritime safety, signaling, and communication during transportation operations. Characteristics:
Stock Transfer:
Stock Transfer is the process of moving inventory or goods from one warehouse, store, or distribution center to another within the same company or supply chain network. It helps balance stock levels, meet regional demand, reduce stockouts, and optimize storage space. Stock transfers may be planned periodically or executed in response to real-time inventory needs. Effective stock transfer requires accurate documentation, coordination with transportation providers, and tracking to ensure timely arrival and proper reconciliation at the receiving location. Characteristics:
Storage Costs:
Storage Costs are the expenses associated with keeping goods in a warehouse or storage facility. These costs include rent or depreciation of the facility, labor for handling, energy for climate control, insurance, security, and inventory management systems. Efficient storage management aims to minimize these costs while ensuring accessibility and product safety. In logistics, monitoring storage costs helps companies optimize warehouse utilization, reduce idle inventory, and improve overall supply chain profitability. Characteristics:
Storage Fee:
A Storage Fee is a charge applied by a warehouse, port, or logistics provider for storing goods over a specified period. It can be calculated daily, weekly, or monthly, depending on the storage agreement and space utilization. Storage fees incentivize efficient handling, prompt removal of goods, and proper inventory planning to prevent unnecessary costs. These fees are commonly applied in ports for containers, in third-party warehouses, and in cross-docking operations. Characteristics:
Storage Location Allocation:
Storage Location Allocation is the process of assigning products or inventory to specific storage locations within a warehouse to optimize space, accessibility, and handling efficiency. Allocation strategies consider product size, weight, demand frequency, handling requirements, and safety regulations. Effective storage location allocation reduces travel time during picking, ensures quick replenishment, prevents congestion, and improves overall warehouse productivity. It is essential for inventory accuracy, operational efficiency, and supply chain performance. Characteristics:
Storage Location:
Storage Location is a specific area, shelf, bin, or section within a warehouse or distribution center where goods are stored. Assigning and labeling storage locations improves order picking efficiency, inventory accuracy, and space utilization. Logistics systems use storage locations to track product placement, manage stock rotation, and facilitate warehouse operations such as replenishment, picking, and audits. Proper storage location management reduces errors, speeds up operations, and ensures smooth supply chain flow. Characteristics:
Storage of Dangerous Goods:
Storage of Dangerous Goods refers to the controlled holding of hazardous, flammable, toxic, or chemically reactive materials in warehouses or specialized storage facilities. Logistics operations handling dangerous goods must comply with local and international regulations such as OSHA, IMDG, or ADR, including proper labeling, segregation, containment, and climate or ventilation control. Proper storage minimizes the risk of accidents, contamination, or environmental damage, and ensures safety for personnel, transport operators, and customers. Facilities may use fireproof containers, spill containment systems, or temperature-controlled environments depending on the type of hazardous goods. Effective planning of dangerous goods storage also supports compliance during transportation, inspection, and emergency response. Characteristics:
Storage Types:
Storage Types in logistics are classifications of storage methods and facilities based on the nature of goods, handling requirements, and operational objectives. They include ambient storage for dry goods, refrigerated or frozen storage for perishable items, bulk storage for raw materials, rack storage for pallets, and automated storage for high-volume operations. Choosing the appropriate storage type ensures product integrity, operational efficiency, space utilization, and regulatory compliance. Logistics planning considers product sensitivity, turnover rate, handling equipment, and warehouse layout to determine the optimal storage method for each SKU. Characteristics:
Storage:
Storage in logistics refers to the holding of goods, raw materials, or finished products in warehouses, distribution centers, or other facilities until they are needed for production, sale, or transport. Storage is critical for managing supply chain efficiency, maintaining product quality, ensuring inventory availability, and supporting demand fluctuations. Proper storage management involves temperature control, security, shelving or racking systems, and inventory tracking to prevent damage, theft, or spoilage. Characteristics:
Straight Truck:
A Straight Truck is a type of vehicle with a cargo area permanently mounted on the chassis, used predominantly for short- and medium-distance freight deliveries. Unlike tractor-trailer combinations, straight trucks integrate the cab and cargo body, offering greater maneuverability in urban areas, tighter streets, and confined loading zones. Logistics operations use straight trucks for last-mile deliveries, retail distribution, and local courier services where smaller, frequent shipments are required. Their design allows for efficient loading, easier parking, and lower operational costs compared to larger trucks, while still accommodating a significant volume of goods. Characteristics:
Stringer Pallet:
A Stringer Pallet is a type of wooden, plastic, or metal pallet constructed with stringers that provide support under deck boards, creating a flat surface for handling goods. It is widely used in warehousing and shipping because it is compatible with forklifts, pallet jacks, and racking systems, allowing for safe stacking and transport. Stringer pallets are essential for organizing inventory, preventing damage, and ensuring efficient movement of goods within warehouses or between transportation modes. They support standardization and are often part of automated material handling systems in modern logistics. Characteristics:
Subhauler:
A Subhauler is a third-party carrier hired by a primary logistics provider or shipper to transport goods for part of the delivery route. Subhaulers are used to extend transport reach, handle specialized local deliveries, or manage overflow from primary carriers. Effective subhauler management involves clear contracts, documentation, tracking, and coordination to ensure timely, safe delivery and consistent service levels. Using subhaulers can reduce costs, increase flexibility, and improve overall supply chain efficiency when properly integrated into logistics operations. Characteristics:
Subsequent Delivery:
Subsequent Delivery refers to a follow-up shipment dispatched after an initial delivery, commonly used for backorders, partial orders, or phased delivery strategies. It ensures the remaining quantity of goods reaches the customer without disrupting operations or production schedules. Logistics operations plan subsequent deliveries to optimize transport resources, minimize delays, and maintain customer satisfaction. Accurate documentation, real-time tracking, and coordination with the primary shipment are essential for effective subsequent delivery management. Characteristics:
Supplier Kanban:
Supplier Kanban is a lean inventory approach where the supplier delivers goods or components in response to real-time consumption signals from production or warehouse stock levels. This system reduces excess inventory, minimizes storage costs, and supports just-in-time production. Supplier Kanban strengthens collaboration between suppliers and manufacturers, ensures uninterrupted production, and improves overall supply chain responsiveness. It relies on visual signals, digital monitoring, or automated replenishment systems to trigger timely deliveries. Characteristics:
Supplier:
A Supplier is an entity that provides raw materials, components, or finished products to manufacturers, distributors, or retailers. Suppliers play a critical role in logistics by ensuring timely, quality-assured deliveries that meet demand and production schedules. Managing suppliers involves evaluating performance, ensuring compliance, maintaining communication, and integrating them into supply chain planning. Reliable supplier management reduces the risk of delays, quality issues, and operational disruptions, while enhancing efficiency and supporting strategic sourcing. Characteristics:
Supply Chain Management (SCM):
Supply Chain Management is the strategic coordination, planning, and control of all supply chain activities, including procurement, production, storage, transportation, and distribution. SCM integrates logistics, technology, supplier management, and performance monitoring to maximize efficiency, reduce costs, improve service levels, and respond to market changes. Effective SCM enables visibility across the entire supply chain, minimizes disruptions, ensures quality, and supports sustainable practices. Characteristics:
Supply Chain:
A Supply Chain is a connected network of organizations, resources, activities, and information involved in producing, storing, and delivering goods from suppliers to end customers. It encompasses procurement, manufacturing, warehousing, transportation, and distribution. A well-managed supply chain ensures operational efficiency, cost control, timely delivery, product quality, and responsiveness to market demand. Supply chain performance is influenced by coordination between partners, technology integration, process standardization, and risk management. Characteristics:
Swap Body:
A Swap Body is a modular cargo container designed to be transferred between vehicles, such as trucks or trailers, without unloading the contents. It is commonly used in intermodal transport and regional distribution to speed up loading/unloading, reduce downtime, and improve fleet utilization. Swap bodies allow standard handling, maintain cargo security during transit, and facilitate seamless transfer between different transport modes or vehicles. Characteristics:
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