A chip (American English and Australian English) or crisp (British English) is any type of snack food in the form of a crisp, flat or slightly bowl shaped, bite-sized unit.
Popular kinds of chip include:
Chips are typically grain-based, but can be made of any food substance that can palatably be reduced to a thin, crisp form. While most chips are savory snacks, sweet fruit chips such as apple chips and banana chips are also available. Chips are often served in a combination of chips and dip.