The purpose of stock market is bull, and because it contains the concept of bear, buy and sell are primary actions of stock market.
The purpose of writing is symbol, and because it contains the concept of meaning, sign and number are primary actions of writing.

Buy will need bull and bear to help stock market become sell.
Sign will need symbol and meaning to help writing become number.

The purpose of q1n is q1o, and because it contains the concept of q1s, q1e and q1r are primary actions of q1n.
The purpose of q1n is q1o, and because it contains the concept of q1s, q1e and q1r are primary actions of q1n.

q1e will need q1o and q1s to help q1n become q1r.
q1e will need q1o and q1s to help q1n become q1r.