Macros provide a page editor a rich set of page formatting and automation possibilities.
The full set of macros available to this wiki are in the notation guide.
When you are editing a page you have two options, to do it in the Rich text editor or the Wiki markup editor. You can freely switch between the two as you are editing a page, and see final result of either in the preview page. Probably the easiest way to learn simple wiki formatting markup is to do it in the WYSIWYG Rich text editor and then switch to the Wiki markup editor to see what the Rich text editor has done.
Complex objects like tables are often much easier to construct in the Rich text editor whereas it is often faster to construct simple objects like hyperlinks in the wiki markup editor.
Macros are surrounded by curly braces
A formatting macro could be something like a code box which displays example wiki markup and formats it in a nice box:
Automation macros are surrounded