Before you begin entering content, it will be helpful for you to become familiar with the overall design approach for the template sites.
The image below is a picture of the homepage of one of the templates.
All the pages have the same basic layout. As the webmaster you have access to the area highlighted in yellow. You cannot change the menu, the items on the right, or the footer. Note that there is a “Content Updated …” with a date in the footer. This is updated automatically, anytime the content is updated.