F = Human Level

E = High / Peak Human Level

C = Superhuman Level

B = Supernatural/ Magic Level

A = Half God Level

S = High God / God Level

SS = Godking Level

EX = Low concept or just beyond the ranking system (for example can be extremly strong/weak) 

EXE = High Concept (like Time) 

??? = Beyond comprehension

Rank - = Weaker than normal Skills on its level

Rank -- = nearly enough to be still on its rank

Rank + = Stronger than normal Skills or Abbilities on its rank

Rank ++ = Is so strong that it could be in another rank, but because of some problems (like limited uses), it has been down graded one or more ranks