If you have a WordPress blog or site (https://www.wordpress.com), you can use the WordPress widget to allow members to connect to it. The account might be a helpdesk, or the administrator of the Space, or perhaps a blog which is relevant to the Space's purpose.
Enter the rest of the URL of the WordPress site into the URL field.
Use by a Member
The member sees the beginning of the contents of the WordPress site (in this case, the http://www.wordpress.com/about site) in addition to the Spaces graphic:
Click View to open the web site in a new page.