Cross linking refers to the process of linking between two websites. Whether or not they are owned by the same person, cross linking is the process on which the internet is built. It allows users to reference sites with content similar to that which they are already viewing, and may be of further interest to them.

Quite simply, linking between two sites:

http://www.seomarketingworld.com/seo-faq/cross-linking.php

Advertising "www.buyessays.us" ?
Please use google for "What is ..." kind of question.

Crosslinking as the name suggests are links to other pages on your website, linking relevant keywords to related content.
Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath