Answer 1

These are all of them :

Voting on questions
Voting on answers
Voting posts down
Retagging any question
Editing any question
Editing any answer
Editing any comment
Flagging posts
Approving or rejecting posts (Editors)
Hiding or showing any post (Editors)
Selecting answer for any question (Mods)
Viewing IPs of anonymous posts (Mods)
Deleting hidden posts (Administrators only)

Comments

of course, the higher the rank, the more privileges you get...
Eg : A 'registered user' can Not hide someone else's post...

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The Pokemaster exclusive one is that he can delete hidden posts. (That and bend the reality of the site to his whim XD)