It's very easy to create posts.
You are able to post in every sections except in announcements.
It is closed and is open only for our teacher. You will be able to view the messages.

CREATING POSTS

STEP 1 : Go the the appropriate section and find the "Post new topic" button and click on it.

STEP 2 : Add the topic name and type in your content.

STEP 3 : Click preview to see how your message will appear to everyone.

STEP 4 : Click the button with a "send icon"

STEP 5 : You will be asked to click the "save" button in order to confirm that you are not a spammer.

And by clicking the "save button" you have posted your message.