Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. language-related concepts
5. [languages and writing systems]
6. [languages and writing systems by general type]
7. languages (established systems of communication)

Anotations

Scope note:

Peculiar invented or developed languages or jargon of a narrow group, such as the cants used by gipsies, pitcairn islanders, thieves, professional beggars, urban neighborhoods, etc.; often having the connotation of secrecy, with the intention that only those within the group are able to understand.