The AIDA model is a model, where a persona moves through a series of steps to make a purchase decision, used in marketing, sales, planning...
STEEPLED - Social, Technological, Economical, Environmental, Political, Legal, Ethical and additional compared to STEEPLE is Demographic.
BLUF - Bottom Line Up Front
BLUF is a framework for declaring the purpose of the message and the action required. It should provide the most important information.
Transactional Analysis is a psychoanalytic theory and method of therapy. A personality is made up of three ego states: Parent, Adult, Child.