Imposition: why page 1 sits beside page 8
Fold a sheet three times and the page order stops being obvious. Printers solved this before 1500.
Category: Printing
A signature, a gathering, a quire
Three words for nearly the same thing, and the small differences that still matter at the bindery.
Registration, and the millimetre that ruins a spread
Four inks, four passes, and one of them a hair out of place. Everything you know about print colour follows from this.
Ink, paper, and the colour between them
A palette is two decisions: what the ink is, and what it sits on. Everything else is adjustment.