Looks clear enough to me, unless you're talking about the background, which doesn't really look like anything. I also like your shading, but some smoother edges on the apple couldn't hurt. Adding a background that actually ties in with the apple would probably make it even better.
The simple truth is that authors like making people squirm. If this weren't the case, all novels would be filled completely with cute bunnies having birthday parties. — Brandon Sanderson, Alcatraz Versus the Evil Librarians