What is "interlinking"?

Interlinking is linking between your own sites (your network of sites) or withing your own site (between pages).

Definition: Join or connect (two or more things) together.

Interlinking is very crucial to your SEO strategy. It means how you link to your inner pages, the web pages residing under your domain.

Connecting pages from your site throw a link from each page. If you do this for all your pages web spiders will find new pages quickly for indexing, its like a sitemap, only better.