page not visible in menu but visible with typing url

Hi, I am a newbie. this is my first website.
I have created a member page that is not visible if not logged in on my website and not visible if I type the url in the browser bar but some other pages are not visible in menu but you can access them if you direclty type the address in the web browser. I don’t know why? can you please help?

The page I need help with: [log in to see the link]