What is the Content Editor?

Within WordPress, which section of the website is referred to as the content editor?

The content editor

The content editor is usually the large WYSIWYG editor you see on most post-types, such as on pages or posts for example; when editing a post.

A content editor is one of the many supports that can be configured with post types.

In order to get data from the content editor, the get_the_content() and the_content() functions can be used respectively.