Complex sentence: Woodcut--occasionally known as xylography--is a relief printing artistic technique in printmaking in which an image is carved into the surface of a block of wood, with the printing parts remaining level with the surface while the non-printing parts are removed, typically with gouges.
Split into simpler sentences: Woodcut--occasionally known as xylography--is a relief printing artistic technique in printmaking. An artist carves an image into the surface of a block of wood leaving the printing parts level with the surface while removing the non-printing parts, typically with gouges.