fundamental

definition: serving as an essential component
example:
speech part: adjective
synonyms: central
definition: being or involving basic facts or principles
example: the fundamental laws of the universe
speech part: adjective
synonyms: rudimentary
definition: far-reaching and thoroughgoing in effect especially on the nature of something
example: the fundamental revolution in human values that has occurred
speech part: adjective
synonyms: profound
definition: the lowest tone of a harmonic series
example:
speech part: noun
synonyms: fundamental frequency first harmonic
definition: any factor that could be considered important to the understanding of a particular business
example: fundamentals include a company's growth, revenues, earnings, management, and capital structure
speech part: noun
synonyms:

fundamental is explained and pronounced

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