What is significause of the Seasons personfied
in the story?

The seasons symbolise the passage of time with winter representing past sufferings and spring the present happiness. Another way to interpret the symbolism behind the seasons is to associate them with rewards and punishments. Spring might represent the rewards one gets for acting kind, such as a state of bliss and inner satisfaction.

Explanation:

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as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.