A specific category of edible items is defined by its initial letter. One example is the yam, a starchy, edible tuber that is widely cultivated in tropical and subtropical regions. Various preparations of this root vegetable exist in different cuisines globally.
This food group offers nutritional value, providing carbohydrates, dietary fiber, and essential vitamins and minerals. Its cultivation has a long history, serving as a staple food source in many cultures. It contributes significantly to food security in regions where it thrives.