ASCII, an ANSI code, includes the concept "information interchange" in the name, i.e. it is also a communication protocol, and also a terminal device control, i

ASCII, an ANSI code, includes the concept "information interchange" in the name, i.e. it is also a communication protocol, and also a terminal device control, inasmuch as it is also a character set. That's why OP was making a mistake claiming that "BEL" doesn't belong in there. ANSI's escape sequences came later to control more functions for glass teletypes.