Document Setup or Layout
Margins, page size, page orientation, number of pages (for multi-page documents), arrangement of pages.
Portrait Orientation
For a rectangular sheet of paper, the "top" is one of the short sides.
Landscape Orientation
For a rectangular sheet of paper, the "top" is one of the long sides.
Imposition or Printer's Spreads
Arrangement of pages for printing purposes. For example, a 4 "page" greeting card may be printed on a single sheet of paper then folded. The "pages" must be arranged in the proper order so that when printed and folded they appear in the correct order.
