Hi loveblue, any questions give me a shout, will help out as much as possible. Trading is when you go to the coupon area and basically do trades. Some folks want to trade coupons for coupns, others might trade a bundle for a gift card or stamps, that sort of thing. Then there are trains. You go to that section and if you want to hop on one. A conductor will send the train around to different passengers, you take coupons out that you want, but replace the same amount or more back in the envy and ship off to the next person on the list. Cash back is if you go thru this site and shop at certain businesses. The list is on the left of your screen. Say you bought $100 worth at toys r us, the site would get $2.25, but instead of keeping it, they give it back to you. When you get $20 worth of cash back, they will send you a cheque or go thru paypal. Need any other help, give a shout, and Welcome to SC.