▁the ▁v air ▁b ells ▁of ▁each ▁t inct ure ▁are ▁joined ▁to ▁those ▁of ▁the ▁same ▁t inct ure ▁in ▁the ▁row ▁above ▁or ▁below . ▁ ▁When ▁the ▁rows ▁are ▁arranged ▁so ▁that ▁the ▁b ells ▁of ▁each ▁t inct ure ▁form ▁vertical ▁columns , ▁it ▁is ▁term ed ▁v air ▁in ▁pale ; ▁in ▁contin ental ▁her ald ry ▁one ▁may ▁encounter ▁v air ▁in ▁b end , ▁which ▁is ▁similar ▁to ▁v air ▁in ▁pale , ▁but ▁diagonal . ▁ ▁When ▁altern ating ▁rows ▁are ▁revers ed ▁as ▁in ▁counter - v air , ▁and ▁then ▁disp la ced ▁by ▁half ▁the ▁width ▁of ▁one ▁bell , ▁it ▁is ▁term ed ▁v air ▁in ▁point , ▁or ▁wave - v air . ▁ ▁A ▁form ▁peculiar ▁to ▁German ▁her ald ry ▁is ▁alternate ▁v air , ▁in ▁which ▁each ▁v air ▁bell ▁is ▁divided ▁in ▁half ▁vert ically , ▁with ▁half ▁argent ▁and ▁half ▁azure . ▁ ▁All ▁of ▁these ▁variations ▁can ▁also ▁be ▁dep icted ▁in ▁the ▁form ▁known ▁as ▁pot ent , ▁in ▁which ▁the ▁shape ▁of ▁the ▁v air ▁bell ▁is ▁replaced ▁by ▁a ▁T - sh aped ▁figure , ▁known ▁as ▁a ▁pot ent ▁from ▁its ▁res embl ance ▁to ▁a ▁cr utch . ▁ ▁Although ▁it ▁is ▁really ▁just ▁a ▁variation ▁of ▁v air , ▁it ▁is ▁frequently ▁treated ▁as ▁a ▁separate ▁fur . ▁ ▁When ▁the ▁same ▁patterns ▁are ▁composed ▁of ▁t inct ures ▁other ▁than ▁argent ▁and ▁azure , ▁they ▁are ▁term