points are like money you get them by posting or creating threads. you can use them by visiting the "new points" link at the top of the page.
See this thread http://www.jdmchat.com/showthread.php?t=332 You can also use the points to buy tickets in the Lotteries to win prizes or even more points. Here are the current and past lotteries http://www.jdmchat.com/forumdisplay.php?f=71 That should help
not to mention buy things on www.shopresponce.com if you ever get those CD6 sidemarkers UP *shakes fist*