Should I close the menu from indexing?

Question

Search Engine Optimization

Do I need to close the menu from indexing with the nofollow attribute? And how correct is it if the items on the menu are devoted to different topics?

Answer 1

In most situations it is better not to close this can complicate the process of crawling the site by search engine robots.

And how correct is it if the items on the menu are devoted to different topics?

It's not entirely clear what you mean.