This article breaks down tiered link building, explaining how Tier 1 links...

https://paxtonssmartop-ed.raidersfanteamshop.com/what-s-the-safest-way-to-build-links-over-time-without-a-penalty

This article breaks down tiered link building, explaining how Tier 1 links point directly to your site to boost its authority. Tier 2 links then support those Tier 1 links, helping them rank higher