The reason why Glenda will not communicate with her principal, in the same manner, she communicates with her friends is because of:
Communication conventions refer to those things that are acceptable in our communication with people. It is generally considered acceptable to communicate with friends through text because it is an informal style of communication.
But when having official communications, letter writing or emails might be best.
Learn more about communication conventions here:
https://brainly.com/question/24147773
#SPJ1