Quantity
   Number      a number with no scale
   Bytecount   a number of bytes
   Currency    a number of dollars (or other currency units)
   Currencies  a collection of currency values
   Date        a diurnal period in the history/future of the Earth
   Time        a number of seconds since midnight - time within a 24:00 clock
   Moment      a date or a date and a time
   Period      a range of moments
   Duration    a number of seconds (or minutes, hours, days, months, years)
   Weekday
   OrdinalWeekdayOfMonth
   DayOfMonth
   MonthOfYear
   DayMonthOfYear
   Year