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. writing systems

Anotations

Scope note:

Writing systems that use pictures and drawings having a communicative aim. These pictures and drawings (called pictographs) are usually considered to be a forerunner of true writing and are characterized by stereotyped execution and by omission of all details not necessary for the expression of the communication.