In simple terms, the phrase "key pillar" means an important and fundamental part or support of something. It is like a foundational element that plays a crucial role in the overall structure or success of a system, organization, or idea.
Sentences with «key pillar»
MS: Well, it's certainly a very key pillar of mine from a leadership perspective. (fortune.com)
Businesses are built on a few key pillars: the idea, the team, the plan, and the execution. (inc.com)