ikon

1 :  a usually pictorial representation :  image

2 [Late Greek eikōn, from Greek] :  a conventional religious image typically painted on a small wooden panel and used in the devotions of Eastern Christians

3 :  an object of uncritical devotion :  idol

4 :  emblem, symbol the house became an icon of 1960's residential architecture — Paul Goldberger

5a :  a sign (such as a word or graphic symbol) whose form suggests its meaningb :  a graphic symbol on a computer display screen that represents an object (such as a file) or function (such as the command to delete)