See, place or quote? Using sight, site and cite

In my continuing series Homophone Helps, we'll be looking at three sound-alikes I've frequently seen confused both online and in some self-published books. Getting a handle on which word belongs in which context is so important because, for the most part, your computer's spell check won't catch this sort of error.
Sight Photo credit: blackbird for morguefile.com(n.) the power or ability to see; perception; something that is seen; a device that helps the eye aim at or find the direction of an ob...