Meaning of the words below: to look for,gold,silver,terrible earthquake,to destroy,sign,canyon,art gallery

to look for — attempt to find.gold — a yellow precious metal, used in jewellery and decoration and to guarantee the value of currenciessilver — a precious shiny greyish-white metalterrible earthquake — extremely bad or serious violent shaking of the ground, typically causing great destruction, as a result of movements within the earth’s crust or volcanic action.to destroy — end the existence of (something) by damaging or attacking itsign — an object, quality, or event whose presence or occurrence indicates the probable presence or occurrence of something else: canyon — a deep gorge, typically one with a river flowing through itart gallery — a room or building for the display or sale of works of art