O
- oblique
Slanted type, typical of most sans serif “italic” faces (but not all).
- offset printing
A process of printing in which the image goes from a special printing plate, onto an intermediary roller and then is printed onto the paper.
- oldstyle figures/numbers
Numerals with ascender and descenders that blend well with lowercase letters. They might be proportional or lining.
- oldstyle type
A category of serif type with moderate stroke contrast and diagonal stress. Easy on the eyes and easy to read.
- OpenType
A cross-platform file format that can contain over 65,000 characters. Not all operating systems or software programs can handle OpenType fonts.
- optical kerning
Automatic kerning based on the shapes of the letters.
- optical size
A font ...
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