"Drawing" is a basic image editor, supporting PNG, JPEG and BMP file types.
It allows you to draw or edit pictures with tools such as pencil, line or arc (with various options), selection (cut/copy/paste/drag/…), shapes (rectangle, circle, polygon, …), text insertion, resizing, cropping, rotating, ...
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.