used for referring to all the people or things in a group, especially when considering every one separately
Each request will be given careful consideration.
The gallery contains work by 5 artists, each with his or her own individual style.
As each day dawned, his smile greeted her.
Each program in the series will be introduced by a well-known musician.
Marble columns stand on each side of the entrance.
The United States, Russia, and Germany each won two gold medals.
each of: Each of us has a job to do.
She kissed each of her children.
one/two/half etc. each: Water was scarce – we were only allowed 1 quart each per day.
$1/£2 etc. each: New batteries cost $1.99 each.
each one: When it was time to bring the cows in, he would call each one by name.
each and every one (=used for emphasizing that you mean every person in a group): It is the duty of each and every one of us to protect the environment.