Explain the term Open Source relating to the GNU General Public License?

Open source ssoftware is computer software that is available in source code from the source code and certain other rights normally reserved for copy right holders are provided under a software licence that permits users to study, change, improve and at times also to distribute the software.

open source is a very often developed in a public, collaborative manner. open source software is the most prominent example of open source developed and often compared to technically defined user generated content or (legally defined) open content movement.