Integration:

Integration (from the Latin integer, meaning whole or entire) generally means combining parts so that they work together or form a whole. In information technology, there are several common usages, chiefly -

  1. Integration during product development is a process in which separately produced components or subsystems are combined and problems in their interactions are addressed.
  2. Integration is an activity by companies that specialize in bringing different manufacturers' products together into a smoothly working system.