four functions, n.All

The Four functions (n.) are ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠a psychological compass: sensation says what is there, thinking what it means, feeling what it is worth, intuition where it came from and where it is going.