fundamentals
noun
Definitions
(usually in the plural) A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; an essential part
Example: one of the fundamentals of linear algebra
The lowest frequency of a periodic waveform.
The lowest partial of a complex tone.
noun
Definitions
The fundamental analysis data.
Example: While this stock has been trading at a low P/E multiple lately, I think its fundamentals are sound, and consider it a good buy for long-term investors.