Email & Privacy allows you to control who can contact you through the forum and how they can contact you in the section Email and contact settings. It also lets you choose whether or not to be notified of posts and PMs (Private Messages) to you.

The next section of this area, Birthday and date of birth display, lets you choose if you want to share your birthday or age, and how you want to show them, if at all.

The last section, Forum anonymity settings, lets you decide who can see you when you're in the forum. You can choose to listed in the active user display in the stats section of the message board, located at the bottom, to browse anonymously, or for just your friends to see you.

Once you've set things the way you want, click Save and your preferences will be set.