Repeticions
The start and end of simple repeats can be defined by setting appropriate bar line . For instructions on first and second ending measures see volta .
Playback
To hear repeats during playback make sure the "Play Repeats" button on the toolbar is selected. Likewise you can turn off repeats during playback by deselecting the button.
In the last measure of a repeat you can set the measure operations "Repeat Count" to define the number of played repeats.
Text
Repeat text such as "D.C. al Fine" or "D.S. al Coda" is located in the repeats palette .