- duration, continuance - the period of time during which something continues
--1 is a kind of time period, period of time, period
--1 has particulars:clocking; longueur; residence time; span; stretch, stint; time scale; value, time value, note value; rule - duration, continuance - the property of enduring or continuing in time
--2 is a kind of time
- duration, length - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"
--3 is a kind of temporal property
--3 has particulars:longness; lengthiness, prolongation, continuation, protraction; endlessness; shortness; brevity, briefness, transience; permanence, permanency; impermanence, impermanency