Zenbook
... that the concentric circles on the lid of a Zenbook are designed to look like ripples in water?
... that the <a class="mw-redirect" href="./Concentric" id="mwCBs" rel="mw:WikiLink" title="Concentric">concentric</a> circles on the lid of a <b id="mwCBw"><a class="mw-redirect" href="./Zenbook" id="mwCB0" rel="mw:WikiLink" title="Zenbook">Zenbook</a></b> are designed to look like ripples in water?