Question

What is outbound linking? and what is main difference between inbound link and outbound link Question

Answer 1

In my own experiences, out bound links would relate to those links on your sites to other sites while inbound links would also called as back links. Inbound links would be an essential issue for SERP purpose.

Answer 2

I think
          away links from your website is outbound links, link backs from another web sites is inbound links.

Comments

Really, I didn't know that

Answer 3

Outbound links are those links which goes to another website from your website. Outbound links add a value to your site by providing useful information to visitor.