(programming) tail recursion

performance

a program (leaflet listing information about a play, game or other activity) / (broadcasting) a program (performance of a show or other broadcast on radio or television)

(computing) program (to write code, to enter a program or other instructions into a computer); event schedule

to use / to employ / to make use of, to apply / to spend

improvement, progress

improve, rise

end, tail

(computing, mathematics) recursion

cost-effectiveness, performance or quantity per cost