Help screen toolbar icon Module
From Joomla! Documentation
Module: This button opens a window that allows you to easily create a link to any module on the current site. The link is created using the module's title as the link text.
To create a link to the desired module:
- Place the cursor at the point in the article where you want the linked module title to be inserted.
- Click on the Module button to open the window.
- Click on the title to select the desired module in the window. You can use the filters and search to help find the desired module.
- A link with the module's title will be inserted at the current cursor location.
- If needed, you can edit the link text.