When you use wiki style headings, you can conveniently install the Table of Contents macro, which will create a handy navigation system to the various sections of your page.  

This page provides an example.  The following clickable table of contents is managed automatically by a macro, which displays headings created on the page:

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5

Normal Paragraph Text.  Notice that this doesn't appear in the Table of Contents provided by a Macro, above.  That's by design!

Heading 1 again

Heading 2 again.

Here's what this page looks like in the editor.  You can see the macro as a placeholder box, rather than the table of contents it creates for visitors: