A finger is a type of digit, an organ of manipulation and sensation found in the hands of humans and other primates. Normally humans have five digits on each hand (exceptions are polydactyly, hypodactyly and digit loss). The first digit is the thumb, followed by index finger, middle finger, ring finger, and little finger or pinky. Some other languages use the same generic term for all five digits of a hand.
As a form of corporal punishment, the knuckles (finger joints) can be smacked with an implement (see striking the hand).
As a part of the hand, fingers are instrumental in pleasant and/or unpleasant touch, including: