That drawer under the oven is often a warming drawer, designed to keep cooked food warm at a low, steady temperature while you finish other dishes or wait to serve. The confusion happens because many people use it as extra storage, and on some stove models it truly is just a storage drawer.
Most people default to storing pans there because the size and location feel perfect for it, but that can be risky if your model produces heat in that compartment. Putting plastic, paper, or other flammable items in a heated drawer can create safety problems, and overcrowding can also interfere with airflow on designs that rely on that space.
If it’s a real warming drawer, it can help keep foods like rolls, mashed potatoes, or casseroles warm without continuing to cook them aggressively. Some people also use it for gentle tasks like warming plates or proofing dough, depending on the temperature control and how the appliance is built.
The only reliable way to know which type you have is to check for temperature settings or labeling on the drawer area and confirm in the appliance manual, because not all drawers under ovens are heated. If there are no controls and the manual calls it “storage,” then it’s meant for cookware, but if it’s labeled “warm” or has heat settings, treat it like a heating compartment and keep it clear of anything that shouldn’t be warmed.