from within

apparent noticeable

evident exterior external observable obvious on the surface open ostensible out outer outside over perceptible superficial surface to the eye toward the edge

obscure

invisible inward

automatically naturally no doubt undoubtedly unquestionably

accordingly as a matter of course axiomatically beyond one's control by definition by its own nature cardinally come what may compulsorily consequently exigently fundamentally incontrovertibly indubitably ineluctably inescapably inexorably irresistibly of course of necessity perforce positively pressingly significantly unpreventably vitally willy-nilly without fail

doubtfully questionably

unnecessarily