I write because it is a way for me to create my own world. I could write about anything. Writing can take me to a magical world full of wonder and happiness, or a place where there is no such thing as happiness and there is only death and destruction. Writing also helps relieve stress. You can just write what you're feeling, or you could write about what you want to feel like. Writing is a way for all of us to communicate, but it is a way for me to go anywhere I want.
Your keyword is "nonessential" which means you don't need it. So the statement is true a nonessential element is not necessary for the meaning or the structure of the sentence.