This article explains tiered link building, where Tier 1 links point directly...

https://www.bookmarkmaster.win/tiered-link-building-uses-two-levels-of-backlinks-to-boost-your-site-s-1

This article explains tiered link building, where Tier 1 links point directly to your site for strong SEO impact. Tier 2 links support those Tier 1 links, boosting their power and helping your rankings grow steadily