Crossword puzzle clue "one might end q e d"

"I'm the beginning of eternity, the end of time and space, the beginning of the end, and the end of every place ..."

You might close one at the end of a long night

Fans might wave one at the end of a playoff series

A rear-end collision might cause one

One who might receive roses at the end of a performance

One might end "Sent from my iPhone"

A retirement party might toast the end of one

One might have a cameo at the end