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. gathered matter components

Anotations

Scope note:

In printing, a printer's unit, which is the full size of a piece paper when printed. The press sheet will be folded to form consecutive pages of a publication, or cut to form smaller units, for example with printing of postage stamps.