noun

a picture, image, or other representation.

Eastern Church

.

a representation of some sacred personage, as Christ or a saint or angel, painted usually on a wood surface and venerated itself as sacred.

a sign or representation that stands for its object by virtue of a resemblance or analogy to it:

an icon of womanhood.

a person or thing that is revered or idolized:

Elvis Presley is a cultural icon of the 20th century.

Digital Technology

.

a picture or symbol that appears on a screen and is used to represent a file, account, application, etc.:

Tap the icon to download the app.

Click the flag icon at the top of the web page to toggle the language to English.

Semiotics

.

a sign or representation that stands for its object by virtue of a resemblance or analogy to it.