Creative Solutions Corporation (CSC) sells business application software—accounting and bookkeeping programs, blank business forms, inventory control functions, and the like—in different combinations, in different packages, at different prices, downloadable online. To complete a deal, a purchaser clicks on a button that, with reference to certain terms, states, “I agree.” What is this sort of agreement called? Do the parties have a binding, enforceable contract that includes the terms? Explain.