Guenevere: lancelot!

lancelot: guenevere! (they go up to each other, and he takes both her hands. they stand that way for a moment. then he says lightly)—darning king arthur’s socks, i see!

guenevere: (releasing herself, and going back to her chair) yes. sit down.

lancelot: where’s his royal highness?

guenevere: new york. why don’t you ever come to see us?

source: dell, floyd. king arthur’s socks. 1922. king arthur’s socks and other village plays. whitefish: kessinger publishing, 2004. google books. web. 7 july 2011.

what is the author’s purpose in the above passage, and how does he achieve it through his organization and choice of details?