Day Day Day uri://ed-fi.org/FrequencyIntervalDescriptor Week Week Week uri://ed-fi.org/FrequencyIntervalDescriptor Month Month Month uri://ed-fi.org/FrequencyIntervalDescriptor Quarter Quarter Quarter uri://ed-fi.org/FrequencyIntervalDescriptor Semester Semester Semester uri://ed-fi.org/FrequencyIntervalDescriptor Year Year Year uri://ed-fi.org/FrequencyIntervalDescriptor