It is a pun on the word wall. As in the phrase, writing on the wall and as in Facebook wall.

KBS, what do you mean?
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Bruce Flow
KBS Sidhu, ex-IAS (Substack)
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1 min read·
Sep 21, 2018
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It is a pun on the word wall. As in the phrase, writing on the wall and as in Facebook wall.
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Written by KBS Sidhu, ex-IAS (Substack)735 Followers
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Spl. Chief Secretary (retd.), Punjab; ex-IAS, 1984 batch, https://substack.com/@kbssidhu?utm_source=profile-page
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