FUNDAMENTAL Definition & Usage Examples | Dictionary.com
https://www.dictionary.com/browse/fundamental
Webfundamental. serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure. of, relating to, or affecting the foundation or basis: a fundamental revision. being an original or primary source: a fundamental idea.
DA: 94 PA: 22 MOZ Rank: 1