The builder is comprised of sections that are referred to as panels.
Video Tutorial on Panel Tabs
Step-By-Step Guide
1. To open a panel, click on the panel header. To close the panel, click the panel again.
2. You may open multiple panels at once, but you will need to scroll down the page to see them.
Note - By default, the App Details panel is always open when a specific app is open for editing/creating in the builder.
App Details Panel Open
App Details Panel Closed
To open another section, click on that panel. To close it click the panel again.
Example Home Screen Details
Closed