Inventory Management is often reduced to SKU, yet the business effect appears only when separating stock states connects with recording every movement. If on-hand quantity is incomplete or available-to-promise uses the wrong boundary, a sku dashboard can still direct money or work toward the wrong conclusion.
This explainer follows inventory management from reservation through receipt and into transfer. Within inventory management, each section owns one mechanism, shows its adjustment consequence, and marks where cycle count, risk, or economics needs more context than the reorder point headline provides. That boundary matters whenever lead time changes before stockout records the consequence.