What's the difference between Mountain, Hill, Mound and Knoll?

[Anonymous]

[DarkHumorRUs]

A mountain is formed from tectonic plates or something.
A hill is just a bump in the dirt/landscape.
A mound is usually a pile of something, so I guess in a landscape it'd be a pile of dirt.
And a knoll is the same thing as a hill, but sometimes used to describe a small one.

[Asker]

I see, thanks

[Alexious]

blogs-images.forbes.com/.../got-s4e7-mountain.jpg

The mountain.. ;)

[Jersey1]

Size of course