Player frame with aggro, raid frames, target frame (elite), target of target frame
The player frame, in combat, while casting
Player frame, dripping blood as we're nearly out of soul vitality
The Realm Guardians Player Frame, just standing around.
Screenshot shows the differences between normal, elite, and boss frames. Target frame is on the right side, and I have myself as focus target so you can see the target of target frames on the far left side.