Article WYSIWYG pane on the Articles main tab shows the editable content of the current article as it will be printed (WYSIWYG editor), or displayed on another channel, e.g. Web (Web preview).

Click the switch button, and then choose Show WYSIWYG Editor or Show Web preview.

WYSIWYG Editor

Depending on settings, the view is "as on page," or "galley." The text is always justified.

In "as on page" view, all the article elements that are linked to the same page are shown together, while unlinked elements are shown one below each other.

Web preview

Depending of the selected publishing destination and format, you will display Web preview of entire article, or how the article will look like on the Home/Section page, or you can preview article XML.