Simplify the following text for a Grade 8 native English-speaking person.
Original: There is four because four is a sacred number to the Zia which symbolizes the Circle of Life : four winds , four seasons , four directions , and four sacred obligations .
Simplified: The symbol has sacred meaning to the Zia . Four is a sacred number which symbolizes the Circle of Life : four winds , four seasons , four directions , and four sacred obligations .