anything that contributes causally to a result

an abstract part of something

one of two or more integers that can be exactly divided into another integer

a businessman who buys or sells for another in exchange for a commission

any of the numbers (or symbols) that form a product when multiplied together

an independent variable in statistics

(genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity