Each APPOINTMENT
| may be resultant in one or more ACTIVITY | |
| may be resultant in one or more APPOINTMENT OFFER | |
| may be within one and only one APPOINTMENT SLOT | |
| may be an entry on one and only one APPOINTMENT WAITING LIST | |
| may be to see one or more CARE PROFESSIONAL | |
| may be for one or more PLANNED ACTIVITY | |
| may be a result of one and only one SERVICE REQUEST |