@ChristinaCaMay 14.2014 — #Referral traffic is used to describe visitors to your site that come from direct links on other websites rather than directly or from searches.
@omthavertchJul 03.2014 — #referral traffic means the user come to your site through the other site but not by the direct search .suppose that your link on the facebook profile then whenever any click on that link will come to your site then that is known as the referral traffic