Yes, for multiple levels, layouts are advised.
You can create a new layout by right clicking on the layouts folder in the project bar
and chose "Add layout".
To move from a layout to another you have the system action
"Go to layout".
Be sure to have a look at (at least) the overview
in the manual it should help you get started.
The reading of how events work
should be also of use (you'll need it very soon
Welcome on the forum and keep us informed about your progress.