I'm not sure where you're going with this. A bunch of people wrote macros for TECO. Moon and Steele collected them and standardized them. The set of standard

I'm not sure where you're going with this. A bunch of people wrote macros for TECO. Moon and Steele collected them and standardized them. The set of standardized macros is Emacs. Thus, Emacs originally was a set of macros to standardize key bindings across multiple editors that existed at the time, exactly as GP said.