(i) Humid shadows refer to the dark black clouds that float in the air.

(ii) Starry spheres refer to the night sky which has been lit up by the stars.

(iii) The phrase ‘What a bliss’ highlights the magnitude of happiness and joy that the poet derives from the pitter-patter of the rain.

(iv) ‘A thousand dreamy fancies into busy being start’ refers to the dreams and fantasies that abound the poet’s mind.

(v) ‘A thousand recollections weave their air threads into woof’ refers to the memories that the poet recollects just like the threads which are woven across the loom to form an exquisite picture.