Utility curves can be increasing or decreasing, linear or non-linear.
- The question for the evaluation is indicated at the top of the page. The question can be read automatically using the text-to-speech functionality. The name of the event being evaluated is indicated, in our example, we just use A -- but normally this is the event name. The "Utility Curve" is the threat or objective name to which the event data is being evaluated. The text-to-speech can play on-demand or auto-play as you click the play
or speaker 
buttons respectively. - The x-axis is the data for the event (or threat given another threat) being evaluated
- The y-axis is the corresponding likelihood or impact given the entered data
or speaker 
buttons respectively. The data can be entered by dragging the handle of the vertical slider or typing on the textbox provided.
