Ni seeks to understand the entire state of affairs as a cohesive whole, to make predictions of what the future will (not may ) be like.

Flashes of creative brilliance and thorough understanding come to Ni, which appears st...

Si is an associative function, and places value and meaning on memories which may resurface unknowingly to the individual. Many musicians or poets have Si in their function stack, and are able to refile their memories to produce emotionally accurate works of art.

Se takes in as much sensory information as possible from the environment to determine the next best course of action. If it fails, a backup will quickly be consulted and launched head-first into the real world.

Se rapidly and automatically scan...

Moral judgements, stone-hard values, and clear likes/dislikes are what fuel Fi. It’s fiercely protective of people and ideas it holds dear and perceives to be meaningful or important.

Fi’s value system may take years or decades to fully mature and solidify....

Each function has its own name, depending on its position in the stack:

1. Dominant (Hero/Heroine)
2. Auxiliary (Good Parent)
3. Tertiary (Puer/Puella)
4. Inferior (Animus/Anima)

At the core, Fe picks up cues from the environment to know how to act in order to feel the reassurance they crave from external approval. Fe can also be a master actor, with its imitative superpowers. Fe seeks to belong to the larger collective. ...