(a) The rain is the sigh of the sea because the sea heaves a sigh of pain at the evaporation of water vapour but at the same time, it gives another sigh of relief with the thought that it would return in the form of rain.
(b) Rain is the laughter of the fields because its arrival gives the fields new life and joy.
(c) The word is ‘endless’.
(a) The rain compares itself to the sigh of the sea, the laughter of the fields and the tears of heaven.
(b) The rain brings happiness and joy and the delightful recollections from the storehouse of sweet memories.
(c) The word is ‘affection’.