How to make a menu in WordPress?

Question

Layout

there is a menu on the landing page
this menu is not page by page. and by sections, i.e. when you click on the menu item, the page scrolls to the def. block
how to transfer this menu to WP with the ability to replace the menu title
and in general is
it better to make each section in a separate file and import it into page.php or leave the layout
how to replace text on one page in many paragraphs?

Answer 1

Styling the menu on the VI is done using walker.
Here, an example - https://gist.github.com/thefuxia/1053467
But I suspect that you need not a menu, but tabs ... bootstrap. In any case, you can transfer to the landing page. See how to create a theme for WP. And then it will become clear. Well, if you want to tie your theme to the admin panel, then install Advanced custom fields and integrate your fields, texts, etc. there.
This is a simple solution