Plain-English definitions for inventory, ghost stock, and Shopify stock-management terms.
A confidence score is a measure of how much evidence actually supports a finding, so a solid, well-backed flag can be told apart from a weaker, more uncertain one.
A cycle count is a physical check of a small batch of stock, done regularly, instead of counting your entire inventory all at once.
Inventory health is a measure of how accurately and effectively a business's stock is being managed, including whether inventory records are reliable and whether stock levels support current demand.
Inventory tracking is the setting that tells Shopify whether it should keep count of stock for a specific product variant at all.
A SKU is the unique code a store uses to identify one specific product variant, so it can be tracked, sold, and restocked without being confused with anything else.
Stranded inventory is stock that shows as available in your system, but sits at a location that can't actually fulfil orders, so it's effectively unsellable.