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# verbs

    echo -n "Would you like to play a game? "
    read x

    x=`echo $x | sed 's/[^-a-z0-9]//g'`

    if [ -f /usr/games/$x ] ; then
    	tput clear
    	exec /usr/games/$x
    else
    	ls /usr/games
    	exec cat <<QUOTE
    A strange game.
    The only winning move is
    not to play.
    QUOTE
    fi
    exit 0

Program names are generally verbs.

list this file, edit that file, gimp that image ... the program names are verbs.

Commands you type are also verbs.

Notice how verbs usually come first.