Learning Commons:Student Orientation/Working With Content/Using the UBC Wiki/List of Wiki Codes
Visual Editor is an "visual" or "WYSIWYG-like" online rich-text editor, which allows you to edit wiki article in a more intuitive way - just like in Microsoft Word. If you have basic knowledge about wikitext, and you want to have more control in how you want to format text or do something more advanced(such embedding a video,etc.) you can choose to edit in wikitext editor.
You can always switch back and forth Visual Editor and wikitext anytime.Take a look at the documentation below to learn how to format in UBC Wiki: