How do I create post in Commons?
Go to the Commons tool.
Select the Commons tool from the Tool Menu of your site.
The Commons page will display.
The text box at the top of the page will always start off with "What's on your mind?" until you type something into the box.
Type your text into the box.
And/or add a link. (Optional)
Select the Insert a link button.
Enter the link, and select Insert.
Enter the text display for the link, the URL of the link, and then select Insert.
And/or add an image. (Optional)
Select the Insert an image button.
Select the file.
Select the name of the image. Then select Open.
Select Post to submit the post to everyone on the site with access to view it.