When speaking of an individual, the key difference between a feature and a characteristic is that a feature is used to describe a distinctive part of the face, while a characteristic refers to a quality that is typical of an individual.

Does characteristic mean feature?

A feature that helps to identify, tell apart, or describe recognizably; a distinguishing mark or trait. Characteristic is defined as a quality or trait. An example of characteristic is intelligence.

Are characteristics and functions same?

As nouns the difference between characteristic and function

is that characteristic is a distinguishable feature of a person or thing while function is what something does or is used for.