Site traffic source and medium

Hi,

Today learn google analytic, traffic source and medium.

Source / Medium. 

Source: the origin of your traffic, such as a search engine (like, google,bing,yahoo) or a domain (irctc.co.in). 

Medium: the general category of the source, (for example, organic search (organic), cost-per-click paid search (cpc), web referral (referral), email campaign).