The Clock is now recognized as a universal symbol of the nuclear age.

I think they felt that the cross was a universal symbol.

The American flag is a universal symbol of liberty and democracy.

I stretched out my arms, making the universal symbol for "this much."

A boar's head is the universal symbol of the main course.

You're right in your statement that the cross is a universal symbol for Christ's death.

Allegedly this is the world's only universal symbol set for maps.

The notion of a heart representing the word "love" spread quickly and has become a universal symbol.

It is the single universal symbol of all magic, good or evil.

The question mark is the universal symbol of something unknown.