Supply Chain & Logistics Glossary: Cartonization, 3PL, Packing Terms & More

From cartonization to zone skipping, this glossary finally speaks warehouse human.

A no-jargon guide to shipping, packing, and fulfillment terms

Whether you're managing a warehouse, running a 3PL, or just trying to make sense of packaging strategy, these definitions break down the language of logistics into plain English. No fluff, just the stuff you actually need to know.

A

Accessorial Charges: Extra fees added to your shipping bill, like handling oversized items or delivering to a residence.

AGV (Automated Guided Vehicle): Warehouse robots that follow a set path to move goods around. Great for repetitive, predictable routes.

AMR (Autonomous Mobile Robot): Smart robots that move freely around the warehouse using sensors and cameras. They help speed up picking without needing a fixed route.

API (Application Programming Interface): Tech that connects different software systems so they can share data. Useful for automating tasks like shipping, packing, and order management.

AS/RS (Automated Storage and Retrieval System): Robotic systems that automatically store and retrieve inventory. Think of them like vending machines for warehouse goods.

Automated Dimensioning System: A tool that scans and records an item's size and weight for accurate packing and smarter box selection.

Allocation: The process of assigning available inventory to open orders before picking or packing begins.

Advance Shipping Notice (ASN): An electronic notification sent before a shipment arrives. It helps receiving teams prep for incoming goods.

B

Billable Weight: The weight used to calculate shipping costs. Carriers charge whichever is higher: the actual weight or the dimensional weight.

Bill of Lading (BOL): A legal document that lists the shipment's contents and acts as proof that the carrier received the goods.

Backorder: An order that can’t be filled immediately due to out-of-stock items and is fulfilled later when inventory becomes available.

Buffer Stock: Extra inventory kept on hand to prevent stockouts from demand spikes or delays.

C

Cartonization: The process of choosing the most efficient box or set of boxes for an order. Good cartonization saves on space and cost.

Carton Profile: A saved set of box dimensions and packing rules that helps your system choose the right packaging quickly.

Carrier Rate Breakpoints: Thresholds where shipping prices jump based on weight or size. Staying below them helps control costs.

Corrugated Box: A sturdy cardboard box with a wavy inner layer. It’s the go-to packaging for most e-commerce shipments.

Cost-Aware Packing: A packing strategy that considers shipping rates, box cost, and dimensional pricing to keep costs low.

Cubing: Measuring the volume of an item so it fits better in boxes or on shelves.

Cross-Docking: A warehouse practice where incoming goods are sorted and shipped out without being stored, minimizing handling time.

Cycle Count: A routine check of inventory accuracy where small sections are counted on a rolling schedule.

D

Dimensioning: Recording an item’s length, width, and height to improve storage, packing, and shipping accuracy.

Dimensional Weight (DIM): A shipping cost formula based on how much space a box takes up instead of how much it weighs.

Dunnage: The filler material inside a box, like foam or paper, that cushions and protects the items during transit.

Dock-to-Stock Time: The time it takes for received goods to be processed and made available for picking.

Drop Shipping: A fulfillment method where the supplier ships directly to the customer, bypassing your warehouse entirely.

E

E-commerce Fulfillment: Everything involved in getting an online order to a customer, including picking, packing, and shipping.

ERP (Enterprise Resource Planning): Software that brings together inventory, finance, sales, and operations into one connected system.

EDI (Electronic Data Interchange): A digital format for exchanging business documents like orders, invoices, or shipping notices between systems.

Exception Handling: How a warehouse handles errors, damaged goods, or order issues outside normal workflow.

F

Fill Material: Protective padding inside a package that prevents movement and keeps fragile items safe.

Final-Mile Delivery: The last step in shipping, where the package goes from a hub to the customer’s door.

Flat-Rate Shipping: Shipping at a fixed cost based on the packaging, not the weight or destination.

Freight Class: A system for pricing freight shipments based on size, weight, and how difficult it is to handle.

FTL (Full Truckload): A shipping method where one shipment takes up the entire truck. Often faster and more direct.

Freight Forwarder: A third-party that arranges international shipments and handles customs, documentation, and transportation.

Fulfillment SLA: The service level agreement defining how quickly orders must be picked, packed, and shipped.

G

General Rate Increase (GRI): Annual price hikes from carriers to cover rising operating costs.

Goods-to-Person (GTP) Automation: Instead of employees walking to pick items, inventory is brought to them using machines or conveyors.

Gate Check: A quick check at the loading dock to ensure items match the shipping documentation before they're loaded.

H

Hub-and-Spoke Model: A logistics structure where a central hub distributes goods to multiple destinations.

Hazmat Shipping: The packaging and transport of hazardous materials requiring special documentation and handling.

Handling Unit: The physical unit (like a pallet or box) that is handled and tracked during transit.

Hybrid Fulfillment: A combination of in-house and outsourced (3PL) fulfillment models.

I

Item Master Data: Core product data (dimensions, weight, etc.) used across logistics systems.

Inventory Accuracy: The match rate between system records and physical stock.

Inbound Logistics: Movement of goods into a warehouse or facility.

J

Just-in-Time Fulfillment: Fulfillment strategy that ships orders only when necessary to reduce inventory.

Job Ticket: Instructions for picking and packing a specific order.

K

Knockdown Box: A flat box that is assembled when ready to use.

Kanban System: A visual restocking system used to replenish inventory on demand.

L

Liquid Fill: A basic packing logic that treats items like liquid and calculates total volume.

Load Planning: Organizing goods in a truck or container to maximize space.

LTL (Less-than-Truckload): Smaller freight that doesn’t need a full truck.

Label Compliance: Meeting carrier or retailer requirements for label format and placement.

Lead Time: Time between placing an order and receiving it.

M

Master Carton: A box containing multiple selling units of a product.

Minimum Order Quantity (MOQ): The smallest quantity a supplier is willing to fulfill.

Multi-Carrier Shipping: Using several shipping partners to optimize delivery.

Manifest: A complete list of shipments included in a vehicle or container.

N

Nested Packing: Placing items inside each other to save space.

Non-Conveyable Items: Products that are too big or awkward to travel via conveyors.

O

O2C (Order-to-Cash): The full order lifecycle from customer order to payment collection.

OMS (Order Management System): System that handles orders, inventory, and fulfillment.

On-Demand Packaging System: Equipment that creates custom boxes based on the exact order.

Omnichannel Fulfillment: Shipping from stores, warehouses, or partners based on inventory availability.

Order Consolidation: Combining multiple orders into one shipment.

Outbound Logistics: Movement of goods from your facility to the customer.

P

P2G (Person-to-Goods) Automation: A semi-automated system where employees walk to items, guided by tech like pick-to-light or scanners.

Packing Rules: Guidelines that determine how items are packed based on fragility, weight, or compatibility.

Packing Station: A workspace stocked with supplies like boxes, tape, and scanners where orders are packed.

Packaging Materials: Everything used to protect and ship items, including boxes, labels, fillers, and tape.

Packout: The last step in packing, where items are placed in a box, sealed, labeled, and prepped for shipping.

Pallet Footprint: The amount of warehouse space a pallet takes up, usually measured in inches. Important for planning storage layouts.

Pallet Configurator: Software that helps decide how items should be stacked on a pallet to fit well and stay stable.

Pallet Optimization: Organizing boxes or items on a pallet to save space, improve stability, and reduce shipping costs.

Palletization: The process of loading boxes onto a pallet for bulk shipping.

Parcel Packing Intelligence Platform: Smart software (like Perseuss) that analyzes your item and shipping data to find the most efficient way to pack each order.

Parcel Shipping: Shipping individual boxes through carriers like FedEx, UPS, or USPS.

Q

Quick Turn Fulfillment: The ability to pick, pack, and ship an order within hours of placement.

Quality Check (QC): A manual or automated inspection to ensure product or shipment accuracy.

R

Rate Shopping: Comparing different shipping carriers to find the best rate or fastest delivery option.

Reverse Logistics: Handling product returns, repairs, or recycling after the sale is completed.

Right-Sized Packaging: Choosing the best-fitting box for an order to avoid wasted space and unnecessary shipping costs.

Receiving Report: A document that confirms what was delivered, used to validate inbound shipments.

S

SIOC (Ships In Its Own Container): A product that can be shipped in its retail packaging without needing another box.

SKUs (Stock Keeping Units): Unique identifiers used to track products in inventory and fulfillment systems.

Slotting: Strategically placing products in a warehouse to reduce picking time and improve efficiency.

Small Parcel Shipping: Shipping of individual packages under 70 pounds using regular carriers.

Safety Stock: Extra inventory kept to prevent stockouts due to spikes in demand or supply delays.

T

Third-Party Logistics (3PL): A fulfillment partner that stores inventory, packs orders, and ships them for you.

Trailer Utilization: A metric that shows how well space is being used inside a shipping trailer. Higher utilization means fewer trips and lower costs.

Transportation Management System (TMS): Software that helps plan, book, and track freight shipments.

Transit Time: The time it takes for a shipment to travel from warehouse to delivery destination

U

Unit Load: A single unit of cargo like a pallet or crate that is handled as one piece.

UPC (Universal Product Code): Barcode that identifies a product universally for retail and logistics.

Underutilization: When packing or transport resources (like trailers or boxes) are not filled efficiently

V

Void Fill: Material used to fill empty space in a package to protect the items during transport.

Volume Utilization: The percentage of space inside a box or trailer that’s actually filled with product.

Vendor Compliance: A set of shipping and labeling standards a retailer requires from suppliers to avoid chargebacks.

W

WMS (Warehouse Management System): A system that manages warehouse operations like inventory, picking, and shipping.

Wave Picking: A method of releasing picking orders in batches based on delivery times or carrier schedules.

Warehouse Slotting Optimization: Using software or rules to assign the most efficient storage location for each product.

X

X-Dock (Cross-Docking): Abbreviation often used for cross-docking where goods bypass storage and are shipped out immediately.

XML (Extensible Markup Language): A common format used in EDI or data exchange between supply chain systems.

Y

Yard Management System (YMS): Software that tracks trailers, trucks, and containers in the warehouse yard. Yield Rate: The percentage of products that pass quality control without needing rework or return.

Z

Zone-Based Shipping: Carrier pricing determined by the distance between shipping origin and destination zones.

Zone Skipping: Consolidating shipments and sending them closer to the destination zone before entering the carrier network.

About the Author:

Shikha Niraula, Marketing & Growth Officer at Perseuss, has compiled this glossary to make supply chain and logistics terminology more accessible to brands, 3PLs, and fulfillment teams. With a deep passion for simplifying complex concepts, she helps warehouse and ecommerce teams understand the tools, technologies, and strategies that drive smarter shipping and better bottom lines.