Question

what does the word ‘ cardboard ’ denote in the poem? why has this word been used?

Answer 1

'Cardboard' refers to the photograph only. This word has been used because photograph it lost it colour and also clarity of its images. The camera has captured some happy moments from the childhood of the poet's mother.

Answer 2

hiii...
the answer is..
the word cardboard denotes the photograph in the poem . It's been used because the photograph had lost its paint and had become old resembling a cardboard.