Define ' open depth of field ' in your own words

I’m robert frost poem “mending wall”, what does the narrator have on his side of the wall? a. a pine forest b. a cow farm c. an apple orchard d. a rabbit nursery

May someone me with these questions

Which pair of uses of figurative language from “the caged bird” support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams