A property is the definition of an individual attribute describing a calendar object or a calendar component. A property takes the form defined by the "contentline" notation defined in Section 3.1.
The following is an example of a property:
This memo imposes no ordering of properties within an iCalendar object.
Property names, parameter names, and enumerated parameter values are case-insensitive. For example, the property name "DUE" is the same as "due" and "Due", DTSTART;TZID=America/New_York:19980714T120000 is the same as DtStart;TzID=America/New_York:19980714T120000.