Where used:
| Class | CATEGORY VALUED PERSON OBSERVATION | has an attribute LANGUAGE USAGE | 
| Data Element | LANGUAGE USAGE | references in description LANGUAGE USAGE | 
| Data Element | LANGUAGE USAGE | is the data element of LANGUAGE USAGE | 
Attributes
| Class | CATEGORY VALUED PERSON OBSERVATION | has an attribute LANGUAGE USAGE | 
| Data Element | LANGUAGE USAGE | references in description LANGUAGE USAGE | 
| Data Element | LANGUAGE USAGE | is the data element of LANGUAGE USAGE |