6. Time

Categories of the Time Realm

600. Process

601: Phenomenon

602: Creation

603: Experience

604: Commerce

605: Communication

606: Reality

610. Cosmos

611: Energy

612: Property

613: Being

614: Eventuality

615: History

616: Time

620. Metrics


630. Existence


640. Eventuality

641: natural

642: technological

643: biographical

644: civil

645: organizational

646: chronological

650. Chronology

651: Discovery

652: Art

653: Biography

654: History

655: Evolution

656: Cosmology

660. Cosmology

661: Astrophysics

662: Astronomy

663: Cosmologists

664: associations

665: regulations

666: chronologies