Simplify the following text for a Grade 10 native English-speaking person.
Original: is a grammatically valid sentence in the English language , used as an example of how homonyms and homophones can be used to create complicated linguistic constructs .
Simplified: It is often used as an example of how homonyms ( words that are spelled the same ) and homophones ( words that sound the same ) can be used to create complicated constructs .