y ▁and ▁fus illy . ▁Sem és , ▁or ▁patterns ▁of ▁repeated ▁charges , ▁are ▁also ▁considered ▁variations ▁of ▁the ▁field . ▁The ▁Rule ▁of ▁t inct ure ▁applies ▁to ▁all ▁sem és ▁and ▁variations ▁of ▁the ▁field . ▁ ▁Div isions ▁of ▁the ▁field ▁ ▁The ▁field ▁of ▁a ▁shield ▁in ▁her ald ry ▁can ▁be ▁divided ▁into ▁more ▁than ▁one ▁t inct ure , ▁as ▁can ▁the ▁various ▁her ald ic ▁charges . ▁Many ▁co ats ▁of ▁arms ▁consist ▁simply ▁of ▁a ▁division ▁of ▁the ▁field ▁into ▁two ▁contrast ing ▁t inct ures . ▁These ▁are ▁considered ▁divisions ▁of ▁a ▁shield , ▁so ▁the ▁rule ▁of ▁t inct ure ▁can ▁be ▁ignored . ▁For ▁example , ▁a ▁shield ▁divided ▁azure ▁and ▁g ules ▁would ▁be ▁perfectly ▁acceptable . ▁A ▁line ▁of ▁partition ▁may ▁be ▁straight ▁or ▁it ▁may ▁be ▁varied . ▁The ▁variations ▁of ▁partition ▁lines ▁can ▁be ▁w avy , ▁ind ented , ▁emb att led , ▁eng ra iled , ▁ne bul y , ▁or ▁made ▁into ▁my ri ad ▁other ▁forms ; ▁see ▁Line ▁( her ald ry ). ▁ ▁Ord in aries ▁ ▁In ▁the ▁early ▁days ▁of ▁her ald ry , ▁very ▁simple ▁bold ▁rect il ine ar ▁shapes ▁were ▁painted ▁on ▁shield s . ▁These ▁could ▁be ▁easily ▁recognized ▁at ▁a ▁long ▁distance ▁and ▁could ▁be ▁easily ▁remembered . ▁They ▁therefore ▁served ▁the ▁main ▁purpose ▁of ▁her ald ry : ▁identification . ▁As ▁more ▁complicated ▁shield s ▁came ▁into ▁use , ▁these ▁bold ▁shapes ▁were