Click the flag to begin. Click the different black boxes to add words to the list. Click the Green Play Button to play the sentence. (This is the one farthest right.) The X deletes All the words. The "X Last" deletes the last word in the list. Finally, the "X 1" button says which number would you like to delete. So you look at the numbr to the left of the word you want to deleat and type it in. Then press the enter key. This project is based on my first one on page 12.