tk (mann)
tk − Manipulate Tk internal state
tk − Manipulate Tk internal state
grab − Confine pointer and keyboard events to a window sub-tree
fileevent − Execute a script when a channel becomes readable or writable
bindtags − Determine which bindings apply to a window, and order of evaluation
tk::mac − Access Mac-Specific Functionality on OS X from Tk
grid − Geometry manager that arranges widgets in a grid
tk_setPalette, tk_bisque − Modify the Tk color palette
tm − Facilities for locating and loading of Tcl Modules
tailcall − Replace the current procedure with another command
auto_execok, auto_import, auto_load, auto_mkindex, auto_qualify, auto_reset, tcl_findLibrary, parray, tcl_endOfWord, tcl_startOfNextWord, tcl_startOfPreviousWord, tcl_wordBreakAfter, tcl_wordBreakBefore − standard library of Tcl procedures