intent, attention & tennis

With Wimbledon being in full force, and the Williams sisters testing each others skills at levels of intensity most never experience intentionally, its useful to look at the intensity of intent & attention.
Word origin offers clues to the many levels of meaning humanity has created for itself. Shipley Dictionary of Word Origins page 358 under Tennis goes from the popular, game to the making of the ball, thru the tension involved in the stringing of the net, into intent, and the stretching toward of ATTENTION.
The fascination and psychology of words runs a gauntlet of a certain 'feel', a type of tension, actually an ease of tension that reflects the relationship between the tennis racket and the net. I am left feeling that intent, and attention, is not a tense operation but a tenet of the net, that sags equal to the width of the racket over the width of the court. Intent is not taut or tight but a tension that eases to a max at center court. And by adding the magical verb, to let' as in LET, a do over, permission is given to ease up the tension of our intent and make a softer, more appropriate effort.
So our intent and paying attention is not the tense constricted effort often taught by coaches, but a relaxed stretch toward what we desire, and the meaning(s) we wish to create.
Namaste
GARY