Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]
8. graphic document genres
9. graphs

Anotations

Scope note:

Statistical diagrams in which numerical quantities are illustrated by rectangles of equal width but of varying length extending horizontally or vertically from a base line, and which represent frequency distributions. The rectangles or bars are ranged along an x/y axis representing two sets of variables.