Answer:
D.S. Fine (dal segno al fine)
When you encounter D.S. Al Fine or "Dal Segno al Fine" in the music, you are directed to go back to the the sign and continue playing until the word "Fine" appears.
D. S. al Fine comes from the Italian phrase "Dal Segno al Fine," that could be translated "the sign until the end." In the following example you would play lines one through four, then go back to the the sign at the beginning of line two, play lines two and three ending at Fine.
