Lasswell's maxim
“Convenient way to describe an act of communication is to answer the following questions:”
Who
says what
in which channel
to whom
with what effect?
- Lasswell, Harold D. “The structure and function of communication in society.” The communication of ideas 37 (1948): 215-228. http://www.dhpescu.org/media/elip/The%20structure%20and%20function%20of.pdf