primary phenomenon, n.All

A Primary phenomenon (n.) like ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Freud's simple wish-fulfilment dreams is a preconceived idea that takes possession of us.