The term "whole" refers to something that is complete and undivided. It signifies that all parts are present and functioning together as a single entity. For example, a whole apple includes the skin, flesh, and seeds, making it a complete fruit. In various contexts, "whole" can also describe concepts like whole numbers, which are non-negative integers including zero. In health and nutrition, a whole food is an unprocessed item, such as fruits and vegetables, that retains its natural state, providing maximum nutritional benefits.