With this group in display conditions option only selected users have access to the page content and depending upon the time spent by the user on the website.
This limits the users views to people under the set category and depending upon the overall time they spent on the site and the pages they view each time.
To set this go to the Display Conditions > Choose to Include/Exclude those conditions. In case of User Group set the category of people who are either allowed access or declined. Under Pageviews as the name suggests depends upon the number of times a user has view the page and similarly for Time on Site as well depending upon the time spent on the website by the user.
All the conditions are taken as a whole here, irrespective of the match all the conditions value, if any of these turns true it will be applied.