Linked from
The 42 pages that link to The Times, each with the reason it gives.
SecondNarrower topic: The second is the SI base unit used to measure duration.
DurationNarrower topic: Duration measures separation along this dimension.
Period (time interval)Narrower topic: A period is a measured span along this dimension.
Day (time unit)Narrower topic: The day is one conventional unit for measuring time.
ChronometryNarrower topic: Chronometry measures quantities assigned to this dimension.