wm - Communicate with window manager. http://purl.org/tcl/home/man/tcl8.4/TkCmd/wm.htm holds the standard documentation. Also, "wm" commonly abbreviates "window manager", a distinct concept.
Please add notes on how you make use of the commands below in useful, and perhaps unique, ways.
Could someone address monochrome vs multicolor icons and how to use the appropriate wm command to achieve the difference? See how do I give my application a color icon for some information.
Category Command - Tk syntax help - Arts and Crafts of Tcl-Tk Programming