In Scout Momaday, said on page 3, "The young Plains culture of the Kiowas withered and died like grass burn in the prairie."
Similes use like and as to compare someone or something and a metaphor doesn't.
Example of a metaphor: Her hands turned to ice in the cold wind of the Autumn.
Your hands only felt like ice and didn't actually turn to ice.
I think you forgot to add the picture or letter thing
Initially an octet, with seven male singers.