1. A graphical user interface for use in computerized system that provides a user selecting one or more options from a plurality of available options, wherein the graphical user interface is configured for implementing a method of presenting a plurality of options for selection in a two-dimensional menu, the graphical user interface comprising one or more computer-executable instructions for implementing acts of: defining each of the plurality of options as either (i) a category, or (ii) a sub-category associated with a category, wherein one or more categories and one or more sub-categories are defined, and wherein the association between categories and sub-categories is unrelated to time; displaying a plurality of the categories along a first, category axis; and simultaneous with the display of the plurality of the categories, displaying with each of the plurality of categories one or more corresponding sub-categories along a second, sub-category axis, wherein the sub-category axis is orthogonal to the category axis, and a plurality of the sub-categories is displayed without having first to highlight or select any of the displayed categories.