Process is a description and an interpretation of how the universe works.
Process is initiated by a purposive, goal-seeking thrust, an initial venturesomeness that pushes it ahead. At its most fundamental level, the universe is a process put into motion by purpose, analogous to a learning experience. Ancient cosmologies speak of God wanting to know himself, seeking to actualize that which was only potential. This same undeniable thrust toward actualization is the essence of what Young means by process. Since at least Sir Francis Bacon, science has limited itself to the consideration of secondary causes, rendering itself a partial theory of the nature of reality.