BB Pro Newbie with a project due next week

Brand new BB Pro Newbie here. Dumb questions alert. Also neophyte regarding WP and have a project due next week. First dumb question is what is the quickest way to navigate between editing child theme and child content? Is there a keyboard shortcut? I’m under the gun so I don’t have the luxury of going through all the tutorials right now, but plan to as time permits. Thanks for anyone willing to help get me pointed in the right direction.