Variables not working with conditions and triggers

It is hard to troubleshoot when you can't see the file.  I would check first to make sure those variables are changing to true.  You can add a text box on your menu slide and reference each variable to confirm.

For you question about disabled and visited - they are definitely different - this link should help a little - https://access.articulate.com/support/article/Articulate-Storyline-360-Definition-of-Built-In-States