text: Known locally as ca ' ( short for casa ) as well as palazzo , the marble , brick , and white limestone palaces range over 600 years from Venetian-Byzantine to Renaissance , Baroque , and Neoclassical , but most of them are exotically 14th- and 15th- ? ­ century Gothic , Venice 's trademark in architectural styles .
  
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  The palaces exemplify a range of architectural styles .