From WoW-Quest.NET

Partying Help
Tactics
Partying Instancing
Group Role
Leader
Primary Function
Tank Healer Damage dealer
Secondary Function
Crowd control Main assist Puller Rezzer Scout
Related
Aggro Hybrid classes Meeting Stone Pickup group Wipe

Classes:
Class races:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Quests:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Abilities:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Trainers:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Talents:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Talent builds:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Tactics:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Armor sets:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Starting a:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
PvE guide:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
PvP guide:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr
Useful macros:	Dk	Dr	Hu	Ma	Pa	Pr	Ro	Sh	Wl	Wr

Things to know when playing your character, frequently in the context of partying.