19. The method of claim 18 further comprising the step of executing the well formed command in the cycle of operation in the current state of the appliance.
18. A method of controlling an appliance configured in a current state to perform a cycle of operation on a physical article by a well formed command, comprising: selecting at least one data input on a user interface, generating a well formed command based on a taxonomy dataset describing attributes that contain a plurality of child values which represent valid values of the attributes wherein at least one element of the dataset is associated with the at least one data input, and wherein the taxonomy dataset is generated by the appliance in the current state, and limited to the current state, and sending the well formed command to the appliance.