domain category
a systematic means of communicating by the use of sounds or conventional symbols
"he taught foreign languages"; "the language introduced is standard throughout the text"; "the speed with which a program can be executed depends on the language in which it is written"
see also
occurring or existing at the same time or having the same period or phase
"recovery was synchronous with therapy"- Jour.A.M.A.; "a synchronous set of clocks"; "the synchronous action of a bird's wings in flight"; "synchronous oscillations"