Guild rank structure will be redesigned specifically for Aion once we we have a better understanding on the in-game rank structure. This is so we know what limits we have on number of ranks, rank titles, etc.  However per norm, we usually have a guild leader at the top. Under that will be our officers, who have the same essential powers as the guild leader, with minute differences.  Our standard member rank may only consist of one rank, or several, depending on what we feel is pertinent.  At the bottom is normally new recruits who are going through their trial period. This page will be updated when we have more information ourselves.