Simplify the following text for a Grade 7 native English-speaking person.
Original: For detailed discussions of the size of Wikipedia , see the English Wikipedia essay pages : : en : WP : Size of Wikipedia , or : en : WP : Modelling Wikipedia 's growth , or : en : WP : Modelling Wikipedia extended growth .
Simplified: For detailed discussions of the size of Wikipedia , see the essay pages : , or , or .