The product life-cycle concept indicates as to what can be expected in the market for a new product at various stages. i.e., introduction, growth, maturity and decline. Thus, the concept of product life-cycle can be used as a forecasting tool.
A software license is a legal instrument (usually by way of contract law, with or without printed material) governing the use or redistribution of software. Under United States copyright law all software is copyright protected, except material in the public domain.his feature of proprietary software licenses means that certain rights regarding the software are reserved by the software publisher. Therefore, it is typical of EULAs to include terms which define the uses of the software, such as the number of installations allowed or the terms of distribution.
End-user license agreement. In proprietary software, an end-user license agreement (EULA) or software license agreement is the contract between the licensor and purchaser, establishing the purchaser's right to use the software.