Business Software Alliance (BSA)	The Business Software Alliance (BSA) is the foremost organization dedicated to promoting a safe and legal digital world.
Client	A consumer of licenses. Users and computers are common forms of clients.
Client Access License (CAL)	Used with Client/Server licensing methods. A client access license allows a client to connect to the server.
Concurrent Licensing	A specialized form of licensing that allows a specific number of users to be using the software at any given time. This licensing method can save you money when many people in your organization use the same software, but at different times of the day.
Decompile	To take apart the software. This is generally done in an attempt to gain access to the underlying code the software is written in, and is always forbidden in the license agreement.
End User License Agreement (EULA)	A document containing the terms of use for the software. When installing software, the user generally needs to accept this agreement. The EULA can generally be found in the written documentation as well.
License	An agreement allowing the use of software by a specified number of clients.
OEM Software	Software sold only with a specific accompanying piece of hardware. Selling or copying this software without the accompanying hardware is a violation of the license agreement.
Software	The product being licensed for use by the clients.
Software and Information Industry Association (SIIA)	The Software & Information Industry Association's Anti-Piracy Division conducts a comprehensive, industry-wide campaign to fight software and content piracy.
Volume License	A license that allows more than one client to use the software. Purchasing volume licensing when in need of multiple licenses generally saves you money.