The sky is purple
I sit and watch the sunset
And just like that, night
he lived in cuba for a time and fished there himself
Assuming that you're referring to the poem of the city of the yes and the city of the no,
The poem uses an antithesis of Yes and No to represent openness and complete solitude
hope this helps
Yes it is diffusion ..
explanation :
diffusion is the movement of particles from high concentration to low concentration ..
as the smoke rises at one corner of the room soon it spreads all over the room which is simply diffusion ..