Yes all of those is configurable in camera options in settings. Start game with AI pause game and explore those.
Also in some camera mode there's shortcut (tab, ctrl + tab?) to zoom out to view whole map to do quickly what you describe - overview and change zoom to other place.
Also in some camera mode there's shortcut (tab, ctrl + tab?) to zoom out to view whole map to do quickly what you describe - overview and change zoom to other place.