WoW:Removing Blizzard default frames
1. Player Window - The Player window in the upper left that always shows for yourself is PlayerFrame.
-- /script PlayerFrame:Hide()
2. Party Window - The windows that show for group members are PartyMemberFrameX, where X = 1..4. All these can be hidden at once by the function HidePartyFrame(), provided by the default party frame lua code.
-- /script HidePartyFrame() -- /script PartyMemberFrameX:Hide()
3. Experience Bar - This is the long purple (or blue, if rested) bar on the default UI.
-- /script MainMenuExpBar:Hide()
4. Main Action Bar - Main bar which has a row of shortcuts.
-- /script RemoveMainActionBar()
5. Menu Menu Bar - Menu bar which has various WOW Options, Character Info, Social etc.
-- /script MainMenuBar:Hide()
6. Main Menu Bar Endcaps - The gryphons that are at the sides of the bottom bar.
-- /script MainMenuBarLeftEndCap:Hide() -- /script MainMenuBarRightEndCap:Hide()