Combined shortcodes are shortcodes which output data from all enabled modules. This is usefull when you need to have comparison lists, price tracker of lowest price product, etc, because all data outputs in one block.
Offer lists
List with logos instead of images
Example inside box with title shortcode
Widgets
If you want to show data in widget, you have 2 widget shortcodes. You can place them inside Rehub: Show only in Post widget, so it will be visible only inside post.