Personality Basics
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What Do the Four Letters in the 16 Personality Types Mean? From Codes to Everyday Preferences
What does each letter in INTJ, ENFP, and ISFJ mean? Explore the four preference pairs—E/I, S/N, T/F, and J/P—through a shared everyday scenario, and learn to distinguish personality tendencies from abilities and specific behaviors.
16PersonalityLab
October 29, 2026