Ans 1. The word ‘cardboard’ here in the poem denotes the photograph itself. It has been used in the poem because in those days, photographs used to be fixed to a cardboard, and hung on the wall.
Ans 2. “Both” here refers to the poet’s mother recollecting her childhood days at the sea holiday and the poet remembering her mother’s laughing face. Both these situations belong to the past because her mother is alive no more.
Ans 3. The three stanzas depict three different phases. The first stanza refers to the childhood days of the poet’s mother. The second stanza refers to the poet’s childhood days when her mother had become an adult. In the last stanza, the poet’s adult life is described in which her mother is not with her anymore.
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