Can I turn an entire Card into a Link in DesignPLUS?

Yes! You'll need to add a link inside a Card, then add the stretched-link class to the Card's attributes.

Yes! It is possible to make an entire Card selectable as a link in DesignPLUS. 

To turn an entire Card into a selectable link:

1. If Advanced tools are not already enabled:
   1. Go to the kebab / More options menu.
   2. Select User Settings.
   3. Select Enable all Advanced Tools.
2. Using the Add New Elements tab, add one or more Cards to your page, with content.
   
3. Place a Link inside each Card with DesignPLUS or through the Canvas Rich Content Editor (RCE).
   
4. Place your cursor inside the link in the RCE.
5. Navigate to the Advanced tab in the sidebar and select Attributes.
   
6. Ensure that "a" is the selected target at the top.
   
7. In the class field, enter: stretched-link

   For more information, see Bootstrap: Stretched Link class.
8. If desired, you can style the link into a Button using the sidebar:
   1. Place your cursor inside the link in the RCE.
   2. Select the Edit Current Elements tab in the sidebar.
   3. Select Link as the active tool.
   4. Use the Style panel to adjust the Button to your preferences.
      
9. Save your page to view your new linked Card.