What is the difference between 2 download methods "Public" and "Private"?

One possible way to build a multilanguage Drupal site is to ___.

Which of the following ways is a possible way to present your Drupal site in a language other than the 'by default' English?

Which of the following ways can you use to customize error pages for 404 and 403 errors?

Drupal users are grouped into what?

Which of the following can be used to attach a library in twig template?

Drupal offers ___ different built-in menus.

Which of the following ways can you use to embed google maps into your site?

Is it true that Drupal can be configured to allow 'add content' via email?

Which of the following ways can you use to add calendar to Drupal?

For a single installation, which of the following directories should you put all non-core modules in?