Units of paper quantity of 480 sheets, now known as a 'short' ream. Reams of 472 and 516 sheets are still current, but in retail outlets paper is typically sold in reams of 500. As an old UK and US unit, a perfect ream was equal to 516 sheets. Certain types of specialist papers such as tissue paper, greaseproof paper, handmade paper, and blotting paper are still sold (especially in the UK) in 'short' reams of 480 sheets (20 quires of 24 sheets). However, the commercial use of the word 'ream' for quantities of paper other than 500 is now deprecated by such standards
Section (bookbinding) meaning of quire, "quinterno di carta". Later, when bookmaking switched to using paper and it became possible to easily stitch 5 to 7 sheets at a time, the number of sheets and pages in a gathering became more variable. Section (bookbinding) In bookbinding, a section, gathering, or signature refers to a group of sheets, folded in the middle, and bound into the binding together. The section is the basic building block of codex bindings. In Western bookbinding, sections are sewn through their folds, with the sewing thread linking each section to its neighboring sections. The gatherings can be seen by