Individual Update  

ZAM Network Wikibase™ Dictionary

An Individual Update is a quest update that each player must complete seperately, regardless of how many members of the group have the quest. This means that if you need 5 shards from certain mobs, and all 6 players have the quest, you will need to get 30 shards for all players to complete the quest. This is opposed to Group Updates, which update for all group members at the same time.