ails . ▁Indeed , ▁behind ▁a ▁canvas ▁stretch ed ▁over ▁a ▁wood ▁frame , ▁Cast ell ani ▁places ▁n ails ▁that ▁raise ▁or ▁lower ▁the ▁canvas ▁and ▁so ▁create ▁an ▁inter play ▁of ▁light ▁and ▁shadow . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Art ▁Directory : ▁En rico ▁Cast ell ani ▁ ▁" En rico ▁Cast ell ani ' s ▁F ormal ist ▁Po ems ▁in ▁Silver ▁and ▁White " ▁met ▁diverse ▁af beeld ingen ▁ ▁H auch ▁of ▁Ven ison : ▁En rico ▁Cast ell ani ▁ ▁A ▁t ribute ▁to ▁En rico ▁Cast ell ani ▁with ▁photos ▁and ▁interview ▁from ▁C à ▁P es aro ▁Ven ice ▁exhibition , ▁September ▁ 2 0 1 2 ▁ ▁Category : 1 9 3 0 ▁birth s ▁Category : 2 0 1 7 ▁death s ▁Category : 2 0 th - century ▁Italian ▁pain ters ▁Category : Ital ian ▁male ▁pain ters ▁Category : 2 1 st - century ▁Italian ▁pain ters ▁Category : Ital ian ▁contemporary ▁artists <0x0A> </s> ▁T riv ia ▁is ▁information ▁and ▁data ▁that ▁are ▁considered ▁to ▁be ▁of ▁little ▁value . ▁ ▁Latin ▁meaning ▁and ▁et ym ology ▁ ▁The ▁t riv ia ▁( sing ular ▁t riv ium ) ▁are ▁ ▁three ▁lower ▁Ar tes ▁Liber ales : ▁grammar , ▁logic , ▁and ▁r het or ic . ▁These ▁were ▁the ▁topics ▁of ▁basic ▁education , ▁found ational ▁to ▁the ▁quad riv ia ▁of ▁higher ▁education , ▁and ▁hence ▁the ▁material ▁of ▁basic ▁education ▁and ▁an ▁important ▁building