Most people will go their entire life without ever knowing what the drawer under the oven was actually designed for

be intended for storage.
How To Check Your Oven Manual (And What The Symbols Mean)
The easiest way to determine the intended use of your oven drawer is by consulting the user manual that came with your appliance. Most manuals will clearly state whether the drawer is a warming drawer or a storage drawer. If you’ve misplaced the manual, many manufacturers offer digital copies on their websites.
Look for symbols or labels on the drawer itself. A warming drawer will often have a temperature knob or button, and may include