The term BASIC FOOD ITEM can be summarized as a food item that is essential and commonly eaten. The crossword solution for this term is STAPLE, which is a food item that is widely consumed and is usually a part of a regular diet. Examples of staples include grains such as wheat, rice, and corn, as well as other foods such as potatoes, beans, and lentils. STAPLE foods are often inexpensive and provide important nutrients to the diet.