stScript, which specifies exactly 72 points per inch (approximately
28.35 per centimeter).  The <a href="Use.htm#Known_paper_sizes">paper sizes
known to Ghostscript</a> are defined in the initialization file
<tt>gs_statd.ps</tt> in terms of points.</dd>

<dt>Dots per inch</dt>
<dd>Dots per inch or <dfn><abbr>dpi</abbr></dfn> is the common measure of
printing resolution in the US.</dd>

<dt>Bits per pixel</dt>
<dd>Commonly abbreviated <dfn><abbr>bpp</abbr></dfn> this is the number of
digital bits used to rep