An embodiment of a graphical user interface for specifying an item order includes a graphical order generator arranged in a geometric pattern. The graphical order generator may include an order input tool including a category section for displaying a plurality of inter-dependent dynamically filtered category indicators arranged in a sequential and user-modifiable hierarchy, and an option section for displaying a plurality of selectable option indicators associated with a category indicator. The category indicator may include a graphical representation of an active state or incomplete state before selection of an option indicator, and a graphical representation of a complete state after selection of the option indicator. The graphical order generator may also include a communication tool for displaying a plurality of selectable communication indicators associated with one or more past or current communication messages, and a contextual information tool for displaying one or more selectable information indicators.