Referral traffic in Google Analytics can also include your social traffic or even your email visits. This is largely because there are different ways to track data and there are imperfections in the system, but it also depends on which reports you look at. For example, Acquisition> All channels> Referrals will include much of your social traffic, but the default All channels report does not include Social in your Referrals. The best solutions:
This is the number of views that you can test each month on your website.It's up to you how you choose to use them, either by allocating all the views to one test or to multiple test, either on one page or on multiple pages. If you have selected the 10.000 tested views plan and you run an experiment on your category page which is viewed 7000 times per month, then at the end of the month 7000 is what you'll be counted as tested views quota.