Walking represents living, and usually means living according to the true things taught to us by the Lord -- to "walk in His ways." When the Lord is pictured walking, it means life itself.
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So Hilkiah the priest, and Ahikam, and Achbor, and Shaphan, and Asaiah, went to Huldah the prophetess, the wife of Shallum the son of Tikvah, the son of Harhas, keeper of the wardrobe (now she lived in Jerusalem in the second quarter); and they talked with her.