What is a Version?
Hate it when the article you are working on is lost or overwritten or that one time your content gets “mysteriously” modified, and you have no clue who did it?
This is when content versioning comes in handy.
When you make changes to the blocks on a page in concrete5, those changes are saved as a new version when you leave edit mode. You can see all the versions of a page by clicking settings and then clicking Versions: