Signal

знак

znak

(sign made to give notice)

знак

znak

(foreshadowing)

семафо́р

semafór

(device to give indication)

сигна́л

signál

(sign made to give notice)

сигна́л

signál

(telecommunication: electromagnetic action that conveys information)

сигна́л

signál

(useful information as opposed to noise)

сигна́л

signál

(computing: simple interprocess communication)

просигнализи́ровать

prosignalizírovatʹ

(to indicate)

сигнализи́ровать

signalizírovatʹ

(to indicate)