Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. information form components
7. [script and type forms]
8. script and type signs

Narrower term/s

• Roman numerals
• Arabic numerals

Anotations

Scope note:

Refers to the written or printed characters that denote units in a numerical sequence. For the abstract units belonging to a mathematical system and subject to specified laws of succession, addition, and other functions, use "numbers."