Meanings of exposed beneath in English

I'm the reward at the end of his magic trick, exposed beneath the velvet cape.

Another document was half- exposed beneath it.

Lantern light glanced off her jawline, lips, cheekbones, the edges of her face exposed beneath the top hat.

I felt exposed beneath the vastness of a sky nothing like the ceilings I'd lived below for most of my life.

There were already two long rows of them, exposed beneath the shrieking shells, filling the air with their dismal plaints while waiting for his ministrations.

In the shack's darkness, the animal's blue-gray fur stood on end around its neck and along its back, its sharp teeth exposed beneath wrinkled jowls.