All products have a particular life span, which is called the product life cycle. The length of time a product is on the market is largely contingent upon its competition, technology and even the ...

Business theorists have observed that companies go through identifiable life stages, just like individuals do. The life cycle theory also applies to products, product lines and entire industries.

The sequence of events in the development of an information system (application), which requires mutual effort on the part of both the user and technical staff. See agile software development and ...