property - a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles"

temporal arrangement, temporal order - arrangement of events in time

length, duration - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"

pace, rate - the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"