Purpose: Collection point for a list of Tk command reference pages (not always the full and official man pages), but always with additional notes and links to related articles, help and tips on making better use of the command, examples, etc. Also see Tcl syntax help. The Widgets in the initial Tk package page has images of the various widgets.
In Tk 8.5, the Ttk package becomes a part of the Tk distribution.
There are also special reserved variables in the Tk extension. These include:
There are also some environment variables.
Category Command - Arts and Crafts of Tcl-Tk Programming - Category Syntax