Terminology

Term	Meaning	Remarks
carrier	Anything that can carry items.	A carrier can be a pallet tote or box, but also just a label.
item	An article that is on stock.
location	A physically fixed location to store carriers or items.	A location is always is in exactly one zone.
article	An SKU.	This can be a CU (customer unit) or pack.
customer unit	The smallest possible article, by definition has no subpacks and a multiplier of one.	All stock and amounts in orders are in this size.
pack	An article with subpack set and often a multiplier of >1.
zone	A collection of locations.	Features such as “pick-to-light”, “fifo” and others are connected to it.
order picker	A person that takes items from stock.
warehouse	A collection of zones.
property	Meta-data that can be configured to any table in the system.