https://thenextweb.com/growth-quarters/2021/01/06/tangential-content-is-the-link-building-tactic-your-brand-is-missing-out-on/
Defining tangential content Tangential content is content that is related to a brand’s industry but is not related to its core branding
pertinent : 적절한 Tangential : 별로 관계가 없는 , 탄젠트의