Simplify the following text for a Grade 10 native English-speaking person.
Original: Each entry contains the leading terms of the sequence , keywords , mathematical motivations , literature links , and more , including the option to generate a graph or play a musical representation of the sequence .
Simplified: Each entry contains the leading terms of the sequence , keywords , mathematical motivations , literature links . It also includes the option to generate a graph or play a musical representation of the sequence .