Tiered link building uses two levels of backlinks to boost your site's...

https://andressmasterdigests.image-perth.org/how-do-i-build-relationships-before-i-ask-for-a-backlink

Tiered link building uses two levels of backlinks to boost your site's authority. Tier 1 links point directly to your site and carry the most value. Tier 2 links support those Tier 1 pages, helping increase their strength and improve your rankings