(202) - TYPE (pt deux)

Define:

-weight: the "heaviness" of a chosen typeface. The bolder or heavier the font, the higher the weight.
-width: the distance horizontally across a letter or element
-style: bold, italic, etc.
-font: a specific style within a typeface or font family
-typeface: a family of fonts, ie: helvetica, rockwell
-x-height: the height of the lowercase letter 'x' of a font, chosen because it is easiest to measure
-cap height: the height of a capital letter in of a font.  Usually measured in millimeters
-leading: the distance between one line of text and another.  Measured in points.
-letterspacing: the amount of space between letters

-type can be measured in inches, millimeters, points, or picas.  Designers should use whatever they feel most comfortable with or whatever is being used by who they are directly working with.  Newspapers often use picas to measure their columns and for formatting purposes.

-point- aka didot point, measuring 67.564 points per inch
-pica - a point system known as the "anglo saxon" version of the didot point.  72 picas per inch
-67.564 didot points in one inch. 72 pica points in one inch
-36pt = about half an inch
-72 picas in an inch
-1.07 didot points in a pica point