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one face; one surface
the whole surface
one aspect; one side
(on) the other hand
one broad, flat object
front page (e.g. newspaper)
一面に真っ白な雪が降り積もっていた。
Pure white snow had accumulated all over.
一面の海が見渡せる場所に行った。
We went to a place with a sea view.
物事には必ず一面と裏面があります。
Everything has both a front and back side.