I am the field that contains an answer. I am an island with gaps on either end. It takes many of me to write an essay, unless you're talking about the app.

Salt and pepper, white or red, many other shades can crown this head. Sprouting from a human face, despite the wish to keep it chaste.

A warm embrace on a winter's day, blurring lines and softening edges, often found on a peach or a teddy bear.

What has a barrel, can kill you, yet many people enjoy interacting with?

I beat to keep you living on, yet break when love is lost or gone.