| Academic Year | July 1 through June 30. |
| Age Range | Physicians are assigned to an age range based on the distance from their year of birth. |
| CEB | Clinical Education Budget within the Ontario Ministry of Health and Long-Term Care. |
| Census Date | PMTIO census date is November 1 of the year in question. |
| FTE | Full Time Equivalent. See Point Census vs. Full-Time Equivalent. |
| Ontario Postgraduate Registry | Listing of postgraduate physicians who are registered for training in Ontario; compiled annually by OPHRDC. |
| OPHRDC | Ontario Physician Human Resources Data Centre. |
| PMTIO | Postgraduate Medical Trainees in Ontario. Name of the OPHRDC annual report on postgraduate medical trainees in Ontario. |
| Pool | A category for grouping postgraduate medical trainees. See The Pools Classification Framework. |
| Program | Training discipline for postgraduate medical trainees. Using nomenclature of the Royal College of Physicians and Surgeons of Canada. |
| University | The university providing training. |