the world > existence and causation > existence > state or condition > [noun] > phase or stage of development (4)
A period of a journey through a subject, life, course of action, etc.
= phase, n.2 2a; esp. any particular aspect of a thing of varying appearances. Obsolete.
A definite or distinct state, stage, or period in a process of change or development, as the life cycle of an organism; a period marked by a…