WordPress link going to wrong page

I have been working on editing my website and although I did not change any coding I seem to have messed up the links. It s for a restaurant and when I click on Menu it takes me to the right page but then when I click on the links on that page it takes me back to the home page instead of where it supposed to go. The URL states that it is on the menu page when in fact its on the home page.

I’m a beginner with WP so please keep it simple. Thanks!