1. A method for generating a network-accessible Web service comprising: representing, by a computing device, the Web service as a sheet element within a graphical user interface (GUI) displayed on a screen of the computing device; and, defining a plurality of cards for the Web service, by a user using the computing device, the cards defining a logic of the Web service and effectuating a functionality of the Web service, each card represented as a card element on the sheet element within the GUI, wherein the method generates the Web service without a user having to code the logic of the Web service using a programming language, wherein the cards include a single web page card and a plurality of other cards, where just the single web page card specifies a network address at which the Web service is accessible, such that none of the other cards specify a network address, and where the single web page card specifies an order in which the other cards are to be executed to realize the logic of the Web service.