I believe it is #4, i hope this helps you.
1.Import
2.Transport
I'm might be wrong on question 1 but hope it help you.
Well you can cross our similar and metaphor. Because not like and as or in some cases an is.
Symbolism using out of text references like. Sun vs moon or a cag For example
Can’t really explain the exact definition of alliteration but it’s like when the first Letter in a sentence is the same.
So I think symbolism is the best choice
Answer: Symbolism