A figure space is a typographic unit equal to the size of a single typographic figure (numeral or letter), minus leading. Its size can fluctuate somewhat depending on which font is being used. In fonts with monospaced digits, it is equal to the width of one digit. This might look like:
In Unicode it is assigned U+2007 figure space (HTML
- Fischer, Eric. "The Evolution of Character Codes, 1874-1968".