HELP:
Ok basicaly what this does is transfer the text from "Textbox1" to "textbox2" or vise-versa.
The <-- button next to textbox 1 transfers the text from textbox 2 to textbox 1. If Textbox 2 is empty when you click this button, whatever you wrote in textbox 1 will be earased bacause it moves the blank from textbox 2 to textbox 1.
The --> next to textbox 2 does exactly the same thing, but vise-versa. It transfers the text from textbox 1 to textbox 2.
The * button copies the text instead of transfering it.
The * button closer to textbox 1 copies the text from that box onto textbox 2, so whatever you wrote in textbox 1 will now be in both boxes.
Same thing with the other one except vise-versa.
The clear button simply earases everything in both textboxes.