On the Display settings page, you change settings in relation to what is currently presenting.
Movie Mode: this is available if you cannot play a video/music file via the Video Direct feature. By ticking the box here, you enable a two second buffer that will remove any performance issues you might experience with live streaming.
Privacy Mode: This feature disables the ability for users to take screenshots of displayed content.
Subtitles: Will play any SSA, VTT, and SRT attached subtitles.