You can insert the Facebook, YouTube, Twitter or any widget embed code into the website editor on any page, article, or module where you see the editor. Copy the code from the Facebook, YouTube, Twitter, or any site offering embed code, then edit the page, article, or module that you want to place the widget code into.
On the editor, place the cursor where you want the widget to appear, then click the embed code button, or click the HTML button, then paste the code into the new window, and then click Ok.
You can also click the Source button, and paste the code directly into the source code of the page.
To create a module, scroll to the bottom of the home page, and click the add custom module link, and follow the steps to create the module. You can also create a module in the left or right column of the site.