a.) the article is really targeting people who are already familiar with the terms (the title itself is a call to them directly.) but

b.) It is in the article…

Introverted sensing (Si): certainty, clarity, the past
Extroverted sensing (Se): the present and “doing”
Extroverted intuition (Ne): abstract ideas
Introverted intuition (Ni): abstract insights
Extroverted feeling (Fe): other peoples’ feelings
Introverted feeling (Fi): our own feelings
Extroverted thinking (Te): external, measurable systems/things/goals
Introverted thinking (Ti): internal logic

INFP: Fi — Ne — Si — Te (driven by: their own feelings, then new ideas…)
ISFP: Fi — Se — Ni — Te (driven by: their feelings, then present application)
ISFJ: Si — Fe — Ti — Ne (driven by: certainty, regarding people…)
INFJ: Ni — Fe — Ti — Se (driven by: insights, regarding people…)