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Special terms used in [[Second Life]], in alphabetical order:
*Artificial Intelligence (AI): while Artificial Intelligence generally means the science dealing with simulation of human intelligence by computers, in [[Second Life]] an "AI" often means a specific simulated intelligence, in other words a Bot (robot) or Non-Playing-Character
*[[Alt]]: 
*[[Avatar]]: your persona in Second Life, as represented by the physical person, animal or other character seen by the other users of the system
*Bot
*Calling card
*[[Chat]]: text chat
*Grid: SL is run on around thousand computers, collectively called
*Group:
*[[Instant Message]] (IM) : private text message sent to an individual or a group
*[[Inworld]]:
*[[Lag]]:
*Linden Lab: the company that owns and runs Second Life
*Lindens: the term "The Lindens" refers to the collective group of Linden Lab employees, whose [[Inworld]] characters all have the last name "Linden"
*Non Playing Character (NPC)
*Real Life (RL): the real world, as opposed to the simulated reality of [[Second Life]] 
*Region: each computer runs a bit of the world, which is known as a region - the region name is shown in the top bar. 
*[[Resident]]: this term refers to any user of Second Life, considered as a user of the system, rather than as simply a three-dimensional representation or [[Avatar]]
*[[Sim]]: the computer running a region is called a “sim”, short for “simulator”. Most servers on the grid are pretty powerful, so they usually run several “sims” at the same time. There currently are about three thousand sims overall.
*[[World]]:

[[Category:Communicating]]