1. A method of entering a presentation into a computer, the method comprising: providing a container having a set of container grid lines, providing a set of graphical objects, each graphical object of the set of graphical objects having a set of object grid lines, selecting one of the graphical objects of the set of graphical objects, positioning of the selected one of the graphical objects within the container, in case one object grid line of the set of object grid lines of the one of the graphical objects is positioned on one of the container grid lines: binding of the one object grid line to the one container grid line, in case one object grid line of the set of object grid lines of the one of the graphical objects is not positioned on one of the container grid lines: generating an additional container grid line for the container at the current position of the one object grid line, and binding of the one object grid line to the additional container grid line.