Glossary Category

Operations Terms & Definitions

Learn the vocabulary of e-commerce operations. From warehouse management and 3PL coordination to returns processing and quality control, cover every operational concept.

27 terms in this category

4PL (Fourth-Party Logistics)

A supply chain integrator that manages and coordinates an organization’s entire logistics ecosystem—including multiple 3PLs, carriers, and technology platforms—acting as a single point of accountability.

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Bill of Materials (BOM)

A Bill of Materials (BOM) is a structured list of all raw materials, components, and quantities required to manufacture, assemble, or bundle a finished product.

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BOPIS (Buy Online, Pick Up In Store)

BOPIS is a fulfillment model that lets customers purchase products online and collect them at a nearby physical store location.

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Bottleneck Analysis

The process of identifying constraints in your operational workflow that limit overall throughput and cause delays in order processing and fulfillment.

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Capacity Planning

The process of determining the operational resources (staff, space, equipment) needed to meet current and future order volumes.

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D2C (Direct-to-Consumer)

A business model in which brands sell products directly to end consumers through their own channels, bypassing traditional retailers, wholesalers, and marketplace intermediaries.

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Dark Store

A retail-format facility that is closed to the public and used exclusively for fulfilling online orders, combining the layout advantages of a store with the operational focus of a warehouse.

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Demand Forecasting

Demand forecasting uses historical data, market trends, and statistical models to predict future customer demand, enabling better inventory planning and purchasing.

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Distributed Order Management (DOM)

A system that intelligently routes customer orders across a distributed network of fulfillment locations—including warehouses, stores, and 3PLs—to optimize for speed, cost, and inventory availability.

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Dropshipping

A fulfillment model where the retailer does not hold inventory; instead, customer orders are forwarded to a supplier or manufacturer who ships directly to the end customer.

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ERP (Enterprise Resource Planning)

An integrated software suite that manages core business processes including finance, procurement, manufacturing, inventory, and human resources in a unified system.

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Exception Management

The process of identifying, triaging, and resolving operational anomalies that deviate from standard workflows, such as stockouts, address errors, or payment failures.

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Key Performance Indicator (KPI)

A measurable value that indicates how effectively an operation is achieving its critical business objectives.

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Lead Time

Lead time is the total elapsed time from placing an order with a supplier to receiving the goods, including production, processing, and transit time.

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Lead Time

The total time between placing an order with a supplier and receiving the goods in your warehouse, including production time, processing time, and transit time.

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Minimum Order Quantity (MOQ)

The smallest number of units a supplier requires a buyer to purchase in a single order, set by the manufacturer or wholesaler to ensure production and fulfillment remain economically viable.

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Multichannel Selling

Multichannel selling is the practice of listing and selling products across multiple sales channels simultaneously, such as your website, marketplaces, and retail stores.

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Omnichannel

A unified commerce strategy that provides customers with a seamless, consistent experience across all sales and interaction channels, whether online, in-store, or on mobile.

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POS (Point of Sale)

The system—hardware and software—where retail transactions are completed, processing payments and recording sales data at the moment a customer makes a purchase.

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Reverse Logistics

The process of moving goods from the customer back to the seller or manufacturer for returns, repairs, recycling, or disposal—the opposite direction of the traditional supply chain.

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Service Level Agreement (SLA)

A contractual commitment defining specific performance standards for order processing, shipping speed, or service quality that a business agrees to meet.

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Slotting

The strategic assignment of products to specific storage locations within a warehouse, optimized to minimize travel time, improve picking efficiency, and maximize space utilization.

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Standard Operating Procedure (SOP)

A documented set of step-by-step instructions for completing routine operational tasks consistently and correctly across all team members.

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Throughput

The rate at which a system processes and completes work, typically measured as the number of orders, units, or shipments handled per unit of time.

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Wave Picking

A warehouse picking method that groups multiple orders into scheduled waves based on shared attributes like carrier cutoff times, shipping priority, or destination region to optimize batch processing.

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WMS (Warehouse Management System)

Software that controls and optimizes day-to-day warehouse operations, including receiving, putaway, picking, packing, and shipping inventory.

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Zone Picking

A warehouse picking strategy that divides the facility into distinct zones, with each picker assigned to retrieve items only from their designated zone to improve efficiency and reduce congestion.

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