That got me thinking about that word

vector
vĕk′tər
noun
A quantity, such as velocity, completely specified by a magnitude and a direction.
A one-dimensional array.
An element of a vector space.
An organism, such as a mosquito or tick, that carries disease-causing microorganisms from one host to another.
A bacteriophage, plasmid, or other agent that transfers genetic material from one cell to another.
A force or influence.
A course or direction, as of an airplane.