Thumbnail

I had my thumbnail torn off.

My thumbnail ripped off.

Language is just a map of human thoughts, feelings and memories. And like all maps, language is a thumbnail image a hundred thousand times smaller than what it is trying to convey.

Tom clicked on the thumbnail so he could see a larger version of the same image.

I broke my thumbnail.

A thumbnail is a sample of an image or printed page that has been reduced in size to improve visibility when it's displayed.

The thumbnail answers the question in the title.