Both poems deal with the theme of ideas in the air that are related to the conflicts between belief systems related to romanticism. More or less it is the idea of common sense between spiritual and while Ode to a nightingale focuses on this, A slant of light speaks of oppression that's in the air and a fleeting sense of spiritual. <span />
Poems have lines and stanzas instead of paragraphs. While this answer would be a paragraph a poem would be broken up with line breaks and each section would be labeled as a stanza.