Here goes:
In the administration screen* go to Content > Section Manager
Create a new section by clicking the New button
Enter the name of your section and also if you want it public or registered access. At this stage just put minimal information in an save.
Once saved click on the new section and you will get the edit screen with more options.
On the right hand side you will see 'Link to menu'
Sandard format on a joomla site is the menu on the left is 'mainmenu' but you can use the menu manager in the admin control panel to check this. Highlight the menu in the list, the from the drop down select how you wish the section to appear. List just does a list of all the items in the section, blog allows some (or all) of each item to be displayed on the page (Sounds best for a social section!)
Finally in Menu Item Name type what you want it to show as in the menu
Click Link to Menu and you are done!
You will then need to add catagories to your section and fill it with articles.
If you are only creating one page you may well be better putting a new catagory in a nexisting section - you can still use the above instructions to link a catagory to a menu - just create the catagoty in Catagory manager instead!
Sorry if this seems wall of text like - hope it helps and feel free to ask q's.
