HP LaserJet 5100 Printer series - Manual (Page 140)

2 Glossary
ENWW
printer software help On-screen instructions regarding the use of the printer
software. Help screens which can be activated from the
Help button (or a question mark symbol) in the printer
software.
size In this user’s guide, paper size refers to the dimensions
of a sheet of paper or other print media.
software application A computer program or package developed for sale to
the general public.
source In this use guide, paper source refers to the paper tray
where paper or other print media is loaded.
type In this user’s guide, paper type refers to the unique
properties of paper or other print media, such as rough,
transparency, labels, etc.
universal tray A paper tray that can be adjusted for many paper sizes.
watermark Text printed on the background of a page.