Main Page - This text will be the first thing anyone sees when they click on your tournament website. A welcome letter, a tournament invitation, and other critical details are appropriate for this page.
Field Reports - This text will appear next to a side menu which contains links to the field reports of the events at your tournament which you have chosen to publish.
Judge Lists - This text will appear to a side menu which contains a list of judges for certain events/rounds.
Postings - This text will appear next to a side menu which contains all the postings & schematics you have chosen to make public, when users first click on the Postings tab of the tournament. You can use it to make tournament announcements important to the initial stages of the tournament, or messages prior to when elimination rounds are announced.
To add a custom page, click the "Add Custom Page" link on the sidebar. Then, fill out a (short) Title, choose whether the page is published/visible, and fill out some text. There is no way to delete a custom page after adding it - if you don't want it to be visible, just set "Published" to No.
Field Reports are lists of who has entered your tournament in a given event. Click the "Field Reports" link, and then you can toggle whether events have published fields by using the Publish/Unpublish button for that event.
Normally, you will publish each round to the web directly from the relevant schematic. But the "Publish Schematics" link gives you a centralized place to see which rounds are currently public, as well as publish all prelims en-masse if you want to.
You can also post any arbitrary file/posting that you want to make available to participants, such as event-specific instructions, a restaurant guide, etc. Click the "Upload Files/Postings" link on the sidebar, choose a file, and click Save.
Live Updates controls whether particular events will be available for people to "follow" via the website and receive texts/emails with schematics and results. Click the "Live Updates" link, and you can toggle each event between Enable/Disable.