custom (adat istiadat) is a cultural idea consisting of cultural values, norms, customs, institutions, and customary law commonly practiced in an area. If this custom is not carried out there will be a confusion that leads to unwritten sanctions by the local community against perpetrators considered perverted..
such as the aceh kingdom that has made the art of aceh homes with an accuracy that made civil engineering students amazed at the aceh kingdom without calculation with sophisticated tools, but in the royal period was able to calculate aceh house building with an accuracy that is very suitable for aceh homes without sophisticated tools such as tools, tools on civil engineering development.
this is one of Aceh aceh art in making art house of aceh..
this link for aceh story..
https://www.google.com/search?ei=-SfUWqydEczavASN2I2wAQ&q=aceh+sepanjang+abad+jilid+1&oq=aceh+sepanjang+abad&gs_l=mobile-gws-serp.1.1.0l3j0i203j0.37466.52377..55761...1....197.2921.0j21..........1..mobile-gws-wiz-serp.....3..0i71j0i131j35i39j0i67j0i131i67j0i10i67.5AguxR0ImKQ%3D..
and fot art
http://diansilva2.blogspot.co.id/2014/12/seni-dan-budaya-aceh.html?m=1