Hello, welcome to Help.com =)
This is your Shoutbox where you receive Shouts from other users. To respond to Shouts first click on ShoutTrail next to the Shout they left you.
Or, to leave a Shout to someone you aren’t replying to, click on the megaphone next to their username on a post or find the link under Shoutouts on their profile page. Enjoy your stay ^^
You must be registered and validated to leave shouts to other users.