What do the icons in Monodevelop's autocomplete mean?

When I’m typing away in Monodevelop and it makes suggestions to complete the word that I’m typing, each of the options has a little icon next to it.

I’ve tried looking on here and in Monodevelops documentation, and I’m sure it’s there, but I can’t find out what each of the icons mean. Can someone point me in the correct direction please?

Many thanks.

Yeah, I would like to know too. Below are my guesses. Feel free to add or correct:

C = Class
M = Method
E = Enum
P = Public
S = Sealed
Mm = Method in this class (my best guess)

= native keyword (my best guess)

Fm = method in this class (my best guess)