Exploring the Significance of the Color Purple

If you don't know, the purple button is a button made famous by Waffles and it is not a button that his brother Bosley, the black dog, has ever used before. So I was quite shocked to see him use it, as was Waffles who jumped off the couch to join in the conversation. Now the next question is, were they using the buttons correctly? Did Waffles mean to use the button stranger to mean it was odd that Bosley was using that button? Do you think it's possible for Waffles to understand what that strang