zwój in English:

The ancient Egyptians stored informations on scrolls.

It's a scroll, I guess.

Coil means to wind around or gather into a circular form. An example of coil is for a snake to wrap itself around a tree.

Laura coiled her hair at the back of her head.

a coil of wire

When a coil is moved near to a wire with current flowing in it current flows in the coil as well.

Keep me in the loop.

I've been out of the loop for a while. Can you bring me up to speed?

Each line, as thick around as a big pencil, was looped onto a green-sapped stick.

He looped around the track twice.