Save all changes you have made to the project (including settings, windows, etc.) here. The next time you load your project, you will always be up to date.
IMS differentiates between a saved project (> save) and a published project (> save and publish).
This gives you the opportunity to prepare a “new” project status and to only have it at a certain point in time, e. g. to prepare for the publication of a video portal with recordings after the event.
(!) The saved project status does not necessarily correspond to the published project.