Here are the main aisles (or sections) in a supermarket (or grocery store)
as well as some example items of what you will find in them.
(fresh) produce: fresh fruit and vegetables
frozen food: pizzas, fruit and vegetables, ice-cream, etc
bulk food: olives, nuts (You put in bags yourself. You choose the amount.)
pre-packaged goods: flour, sugar, etc
bread: packaged bread, buns, etc
meat and seafood: beef, chicken, fish, etc
delicatessen: freshly sliced meats and cheeses (You tell the butcher how much you want.)
bakery: fresh breads, muffins, cakes, tarts, etc
dairy products: milk, eggs, yogurt, etc
pasta and rice: spaghetti, penne, wild rice, whole wheat pasta, etc
ethnic food: food from countries in other parts of the world
canned food: beans, pasta sauce, canned fruit and vegetables, tuna, etc
condiments: ketchup, sauces, salad dressings, oil, salt, pepper, etc
snacks: chips, peanuts, biscuits, crackers, etc
cereals: boxed breakfast cereals and bars, oats, etc
beverages: juice, coffee, tea, soda, etc
household items: toilet paper, tissues, rubbish bags, detergent, etc
health and beauty, toiletries: make up, deodorant, shampoo, etc