locus

nouns

the scene of any event or action (especially the place of a meeting)

locale, locus, venue

the specific site of a particular gene on its chromosome

locus

is a type of (narrower)

physical position in relation to the surroundings

"the sites are determined by highly specific sequences of nucleotides"

the set of all points or lines that satisfy or are determined by specific conditions

"the locus of points equidistant from a given point is a circle"

locus

is a type of (narrower)

(mathematics) an abstract collection of numbers or symbols

"the set of prime numbers is infinite"