Indices : Terminology : Kerning

Kerning involves closing up or opening out letter pairs where the letter shape results in uneven letter spacing.

See also
kern
Kerning How-To

Discussion:
Spacing & Kerning Classes
Kerning Pairs
Brute Force Testing
Kerning List
Kerning!

Technical Discussion:
FontLab 5 font file ignores kerning values
Kerning: Flat AND Class-based?
FL 5 Kerning classes not applying when exported

Additional Articles:
Kern King from Leslie Cabarga
Basic Kerning Test from GarageFonts