The track display area is where the channel frequencies of the inserted audio clips are displayed. The audio clips are displayed individually and in different colors. 
Open the context menu by clicking the right mouse button within the track display.
Clicking an audio clip opens the clip’s context menu. Here you can delete, select, copy, and cut clips. In addition, you can open Nero WaveEditor, select the output channels, and group clips.
Clicking the track opens the track’s context menu. Here you can insert clips of various types, delete, copy, and deactivate them. In addition, you have the possibility of inserting effects and effect chains, track splits, CD indices, and labels.
Frequency
The frequency denotes the oscillations per second of an electrical or magnetic field. With audio files this means that the frequency increases with rising pitch. The unit is Hertz (Hz). The highest magnitude of oscillation is called the amplitude.


Track Display Area