An outbound link is a link from other website pages to your website pages.

as MOZ siad:
an external link is a link that points at an external domain.

Top SEOs believe that external links are the most important source of ranking power.
External links pass "link juice" (ranking power) differently than internal links because the search engines consider them as third-party votes.
Top SEOs don't believe that the "title" link attribute is used for rankings purposes.

Outbound links are links that are meant to take you elsewhere. These are links that are going to direct you to another specific webpage or website altogether. Most, if not all, websites have outbound links. Two sides of a coin. There are two (2) kinds of outbound links.

Outbound links are those that point to external domains from your website pages. These links are responsible to take away link juice and also traffic away from your website. Therefore too many outbound links are harmful for your website.

Outbound links are those that point to external domains from your website pages.These links are responsible to take away link juice and also traffic away from your website. Therefore too many outbound links are harmful for your website.

These are the links pointing to other websites from your website and you have more control over these links. People have different views about outbound links and many say that it is against the SEO rules and search engines can penalize you for doing this.

links that are going to direct you to another specific webpage or website altogether. Most, if not all, websites have outbound links.

Outbound links are links that are meant to take you elsewhere. These are links that are going to direct you to another specific webpage or website altogether.

Outbound links are all links from a particular webpage that lead to other pages, including pages in the same domain. An excessive number of outbound links can damage a site’s Search Engine Positioning because a Spider may perceive it as a Link Farm.

Outbound links are links that point to some other domain from your site. When you link out to related domains, it not only helps the search engine to understand your niche, but also helps to increase the trust and quality of your site which plays a vital role in your blog's SEO...

Out bound linking is nothing but linking These are links that are going to direct you to another specific webpage or other domain.

Those links which are presented at your site but takes you to other domain are outbound links.

Outbound links send visitors away from your web site. Attitudes towards outbound links vary considerably among site owners