Used in JsStandardOptions js Object to hold information about a specific style property. It has properties for configure name and a container for sub options, as in javascript options can be structured like border can be set directly identical for all 4 sides or via borderTop, borderLeft, borderRight and borderBottom.
The TkStandardOptions js Object contains references to the TkOptionTemplate js Object for the relevant option.
(Part of Tk Widgets in Javascript Paper)