Properties relate to static data associated with the fund, class or benchmark entity.
Allocations relates to data where there is a value linked with a label. The labels are generally different categories into which financial assets are divided e.g. Geographic regions, Industry sectors.
Statistics relates to data where there is a value linked with a label but the label in this instance generally refers to a metric such as a fund performance or risk related statistics that are updated periodically.
Timeseries relates to values associated with dates over a period of time.