In line bellow is automaticaly created list of selected curves. You can change shape of the curve by pressing into any of box and moving with it. If you'll say yes, then the vertices will be connected together and after moving with any of them, second one will move too. Also the vertice will be aligned to same position as the other vertice. Then the text dialog is displayed, where you must set proper font path and then select any font.
Font file is only mvc animation where each frame is proper character.
Dis makes dissortion on selected curves. The command will randomly move all vertices of selected curves. The amount of randomizing is set by the slider. Len shows length of first of selected curves. Don't be surprised when len of curve changes rapidly after adjusting linear curve.