3. The system of claim 2 , further comprising a navigation constraint module employing the plural language models, based on previous selections, to constrain navigation of the selectable user interface input components.
3. The system of claim 2 , further comprising a navigation constraint module employing the plural language models, based on previous selections, to constrain navigation of the selectable user interface input components. 4. The system of claim 3 , wherein said navigation constraint module constrains navigation of the user interface input components by controlling sizes of the components based on probabilities of the components being next selected as determined by employing the plural language models.