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
eval − Evaluate a Tcl script
ttk::frame − Simple container widget
for − ’For’ loop
source − Evaluate a file or resource as a Tcl script
lmap − Iterate over all elements in one or more lists and collect results
vwait − Process events until a variable is written
lsearch − See if a list contains a particular element
tk_popup − Post a popup menu
error − Generate an error