Yes, very much like that! Specifically, it’s like the Topics section of a Wikipedia Portal page. Scroll down to “Topics” here, for example.
Some people get fancy with theirs. Mine are basic–just links to related documents, with as much description as I need to remind me of what I need to know about the document.
You can also think of a MoC as a being like the front page or section pages of a news site. Or the table of contents of a magazine, if you’re someone who is familiar with print magazines.