@ChristyMathewAug 08.2014 — #simple Organic traffic is a natural traffic or free, it doesn't needs to pay for traffic. so Direct traffic has its vice versa.
@steve_dswtplAug 08.2014 — #At some points organic traffic and direct traffic are same. But organic traffic generates from search engine and direct traffic generates directly for your site only.
@avowzoneAug 08.2014 — #When any visitors come from direct search engine is called organic traffic.
When any visitors come from another site is called referral traffic.
When any visitors come from social media site is called social traffic.
When any visitors come from email link or direct URL in browser is called direct traffic.
Organic traffic is the best of all and it has a great value in Google. Currently my blog is getting more than 62% organic traffic according to Google analytic. You also can increase your organic traffic easily following bellow trick.
@worthcremationAug 08.2014 — #Thanks avowzone for sharing analytics terms, and yes visitors coming directly from search engine is called organic visitors and it also improve SERP of your site, Direct traffic are ratio of users who are visiting your site directly.