Item Obsolete lets you set an item as discontinued. Inactive is lets you pause the item.
Items Search lets you find items, by any field, add columns to view, and make changes.
Items Search shows a Find Dialog and has Filters above each column on the results list.
The goal is to find exactly what you need just like shopping online. Find all Sale items. Filter to my size, color. Except that it is much faster and there are more filter options.
You know your inventory and need a way to find and filter by certail details as needed.
Warehouse Quantites lets you search stock at multiple locations just like Items Search.
If you don't see the Whse Qtys button on Items toolbar you are not using Warehouses.