Explain Cross-linking and its functions in SEO ?

Cross-linking is an SEO function that provides inbound and reciprocal links that can enhance the link's popularity online. The function of Cross linking in SEO are:

• Cross-linking is used to refer to the process of linking one site to another site.
• Cross-linking doesn’t need to be owned by the same person.
• Cross-linking serves the purpose to display the page on the search engines.
• In Cross-linking the site, ranking is calculated on the basis of the relevance of the sites.
• Cross-linking uses SEO tools that provide reciprocal links.