Absolute Link term explained
The link in the address which is the full URL of the page to which it refers. Some links contain only the relative path instead of the full href attribute of the tag A.
Sample absolute links:
<a href="http://seoheronews.com/seo-terms/">SEO Dictionary — Terms and definitions</a>
An example of relative link:
<a href="/terms">SEO Dictionary — Terms and definitions</a>
It is desirable to use absolute links rather than relative links for used by the search system of canonization, and in order to maintain links to the site in case of theft of content.