On the Indexes, Limits, Split tab you can set and delete indexes and split audio files to create two or more shorter ones. The tab consists of the Oscilloscope and Positions areas. 
Audio files are displayed graphically in the Oscilloscope area. The following configuration options are available in the Positions area:
Selection lists
Start/End
Shows the positions for the beginning and end of the audio file on the CD.
Button
New Index
Sets a new index position at the selected position. For the CD player this is the position from which a new song starts, and the player can also jump to it directly. However, not all CD players support this feature.
Button
Edit
Opens the Set Track End dialog box.
You can enter the exact position of a split.
Button
Delete
Deletes a selected index.
Button
Split
Splits the audio file at the marked position.
Button
Play
Plays the audio file from the marked position.
During playback, the Stop playing button is displayed.
Button
Stop playing
Stops playback of the audio file.
If playback is stopped, the Play button is displayed again.
Button
Split at Index Positions
Splits the audio file at the set index positions.
Button
Zoom In
Enlarges the graphical representation of the audio file.
Button
Zoom Out
Reduces the graphical representation of the audio file.
Button
Full View
Displays a graphical representation of the entire audio file.
 

Indexes, Limits, Split Tab