What is the meaning of Icon?

An image, symbol, picture, portrait, or other representation usually as an object of religious devotion.

A type of religious painting portraying a saint or scene from Scripture, often done on wooden panels.

A person or thing that is the best example of a certain profession or some doing.

A small picture that represents something.

An image used to represent a user; an avatar or profile picture.

A word, character, or sign whose form reflects and is determined by the referent; onomatopoeic words are necessarily all icons.

image, artistic representation of a thing

icon, a religious portrait

icon

Source: wiktionary.org