Give some stream of consciousness and then the answer. The bumper stickers first began to emerge in the United States in the early 2000s in partial response to the military involvement in Iraq and Afghanistan which began after the events of September 11, 2001. The stickers signify the capability or desire of humans to live together in peace.

Answer this question: what is the meaning of coexist bumper sticker?
To answer the above question, the relevant sentence is: The stickers signify the capability or desire of humans to live together in peace.
Therefore, the answer is the capability or desire of humans to live together in peace.