Convergence - (1) The coming together and integration of two or more technologies.  The combining of digital television, computers and telecommunications is an example. (2) The combining and presenting of multimedia into a single delivery system. The Internet is an example. (3) A color TV's three primary colored pictures need to precisely overlap (converge) to make one multicolored picture.
Voice/Data Convergence Switches

Digital Interactive TV/Broadband IP Convergence

Streaming Media Convergence

Converged Network