Simplify the following text for a Grade 12 native English-speaking person.
Original: ( a ) - The lyrics are truncated , to keep them short , per copyright restrictions limiting display to 10 % , or prohibiting the display of an entire performable unit , of a composition .
Simplified: ( a ) - Only part of the lyrics are listed , to keep them short , per copyright laws limiting display to 10 % , or prohibiting the display of an entire performable unit , of a composition .