paper width
Refers to the physical width of a sheet or roll of paper.
This printer can handle paper with a wide width.
allotted pages; assigned space
Used in publishing contexts for the number of pages or column space allocated to an article or advertisement.
The editor gave me an allotted space of two pages.
binding for calligraphy and paintings
Refers to the mounting or binding of calligraphy works and paintings, often as a scroll or album.
The binding of this hanging scroll is carefully crafted.