Each CARE ISSUE
| K | must be defined by one and only one PERSON PROPERTY |
| may be the focus for one or more CARE ACTIVITY | |
| may be required by one or more PERSON PROPERTY | |
| may be of relevance to one and only one PERSON PROPERTY |
Classes
| K | must be defined by one and only one PERSON PROPERTY |
| may be the focus for one or more CARE ACTIVITY | |
| may be required by one or more PERSON PROPERTY | |
| may be of relevance to one and only one PERSON PROPERTY |