There are many different groups or categories of things. We have words to name some groups, for example, tools, dishes, laundry supplies. Tell where you would find each group in your home. List 3 items in that group. Different stores sell different groups of products.
Grocery stores sell food.
Hardware stores sell tools. Name another group of products found in a store. List 3 items in the group and tell what kind of store would sell them. You find canned peas near canned peaches, not next to shampoo. You find baby clothes near the cribs, not next to the umbrellas.