▁div iders . ▁ ▁A ▁sl iding ▁glass ▁door , ▁sometimes ▁called ▁an ▁Arc ad ia ▁door ▁or ▁pat io ▁door , ▁is ▁a ▁door ▁made ▁of ▁glass ▁that ▁sl ides ▁open ▁and ▁sometimes ▁has ▁a ▁screen ▁( a ▁remov able ▁metal ▁mesh ▁that ▁covers ▁the ▁door ). ▁ ▁Australian ▁doors ▁are ▁a ▁pair ▁of ▁p lywood ▁swing ing ▁doors ▁often ▁found ▁in ▁Australian ▁public ▁houses . ▁These ▁doors ▁are ▁generally ▁red ▁or ▁brown ▁in ▁color ▁and ▁bear ▁a ▁res embl ance ▁to ▁the ▁more ▁formal ▁doors ▁found ▁in ▁other ▁British ▁Col on ies ' ▁public ▁houses . ▁ ▁A ▁false ▁door ▁is ▁a ▁wall ▁decor ation ▁that ▁looks ▁like ▁a ▁window . ▁In ▁ancient ▁Egypt ian ▁architecture , ▁this ▁was ▁a ▁common ▁element ▁in ▁a ▁tomb , ▁the ▁false ▁door ▁representing ▁a ▁gate ▁to ▁the ▁after life . ▁They ▁can ▁also ▁be ▁found ▁in ▁the ▁fun er ary ▁architecture ▁of ▁the ▁desert ▁tribes ▁( e . g ., ▁Lib yan ▁Gh ir za ). ▁ ▁A ▁do orm at ▁( also ▁called ▁door ▁mat ) ▁is ▁a ▁mat ▁placed ▁typically ▁in ▁front ▁of ▁or ▁behind ▁a ▁door ▁of ▁a ▁home . ▁This ▁practice ▁origin ated ▁so ▁that ▁mud ▁and ▁d irt ▁would ▁be ▁less ▁pre val ent ▁on ▁flo ors ▁inside ▁a ▁building . ▁ ▁D ifferent ▁types ▁of ▁door ▁mechanism ▁ ▁H ing ed ▁doors ▁ ▁Most ▁doors ▁are ▁h ing ed ▁along ▁one ▁side ▁to ▁allow ▁the ▁door ▁to ▁pivot ▁away ▁from ▁the ▁door way ▁in ▁one ▁direction , ▁but