How is a screw like an inclined plane?

I know it is an inclined plane, but how is it similar to one?How is a screw like an inclined plane?Imagine the inclined plane was wrapped around a pole, voila, a screw.How is a screw like an inclined plane?if you look at a screw,it is a plane that wraps around a cylinder.like a ramp or inclined plane,it fastens two separate materials with less work to tighten them together.