fundamental
noun
any factor that could be considered important to the understanding of a particular business
“fundamentals include a company's growth, revenues, earnings, management, and capital structure”
the lowest tone of a harmonic series
adjective
serving as an essential component
“a cardinal rule”
“the central cause of the problem”
being or involving basic facts or principles
“the fundamental laws of the universe”
“a fundamental incompatibility between them”
far-reaching and thoroughgoing in effect especially on the nature of something
“the fundamental revolution in human values that has occurred”
“the book underwent fundamental changes”
Synonymsprofound
Source: WordNet 3.1, Princeton University
