The man it interacts to the environment with a complex of actions determined by own biological constitution.

(a man with the wings would generate an architecture without stairs)

These actions, structured on the basis of a logical physical and biological, are the behaviors that have as their ultimate objective the maintenance of equilibrium between man and nature: the aim of survival.

The creation, the editing, the validation, the annulment, within a retroactive system , are the result of human actions in respect of the architecture.