als , ▁while ▁er min es ▁and ▁pe an ▁are ▁treated ▁as ▁colours . ▁ ▁This ▁rule ▁is ▁strictly ▁ad her ed ▁to ▁in ▁British ▁arm ory , ▁with ▁only ▁rare ▁exceptions ; ▁although ▁generally ▁observed ▁in ▁contin ental ▁her ald ry , ▁it ▁is ▁not ▁ad her ed ▁to ▁quite ▁as ▁strictly . ▁ ▁Ar ms ▁which ▁viol ate ▁this ▁rule ▁are ▁sometimes ▁known ▁as ▁" p uzz le ▁arms ", ▁of ▁which ▁the ▁most ▁famous ▁example ▁is ▁the ▁arms ▁of ▁the ▁Kingdom ▁of ▁Jerusalem , ▁consisting ▁of ▁gold ▁cross es ▁on ▁a ▁silver ▁field . ▁ ▁Vari ations ▁of ▁the ▁field ▁ ▁The ▁field ▁of ▁a ▁shield , ▁or ▁less ▁often ▁a ▁charge ▁or ▁cr est , ▁is ▁sometimes ▁made ▁up ▁of ▁a ▁pattern ▁of ▁colours , ▁or ▁variation . ▁A ▁pattern ▁of ▁horizontal ▁( bar wise ) ▁stri pes , ▁for ▁example , ▁is ▁called ▁bar ry , ▁while ▁a ▁pattern ▁of ▁vertical ▁( p ale wise ) ▁stri pes ▁is ▁called ▁pal y . ▁A ▁pattern ▁of ▁diagonal ▁stri pes ▁may ▁be ▁called ▁b end y ▁or ▁b end y ▁sin ister , ▁depending ▁on ▁the ▁direction ▁of ▁the ▁stri pes . ▁Other ▁variations ▁include ▁che v ron y , ▁gy ron ny ▁and ▁che qu y . ▁W ave ▁sh aped ▁stri pes ▁are ▁term ed ▁und y . ▁For ▁further ▁variations , ▁these ▁are ▁sometimes ▁combined ▁to ▁produce ▁patterns ▁of ▁bar ry - b end y , ▁pal y - b end y , ▁lo z eng