▁See ▁door ▁furn iture ▁for ▁a ▁discussion ▁of ▁attach ments ▁to ▁doors ▁such ▁as ▁door ▁handles , ▁do ork n obs , ▁and ▁door ▁knock ers . ▁ ▁L int el ▁– ▁A ▁horizontal ▁beam ▁above ▁a ▁door ▁that ▁supports ▁the ▁wall ▁above ▁it . ▁( Also ▁known ▁as ▁a ▁header ) ▁ ▁J amb s ▁or ▁legs ▁– ▁The ▁vertical ▁posts ▁that ▁form ▁the ▁sides ▁of ▁a ▁door ▁frame , ▁where ▁the ▁h ing es ▁are ▁mounted , ▁and ▁with ▁which ▁the ▁b olt ▁interact s . ▁ ▁S ill ▁( for ▁exterior ▁doors ) ▁– ▁A ▁horizontal ▁s ill ▁plate ▁below ▁the ▁door ▁that ▁supports ▁the ▁door ▁frame . ▁Similar ▁to ▁a ▁Window ▁S ill ▁but ▁for ▁a ▁door ▁ ▁Th reshold ▁( for ▁exterior ▁doors ) ▁– ▁A ▁horizontal ▁plate ▁below ▁the ▁door ▁that ▁brid ges ▁the ▁crack ▁between ▁the ▁interior ▁floor ▁and ▁the ▁s ill . ▁ ▁Do or stop ▁– ▁a ▁thin ▁sl at ▁built ▁inside ▁the ▁frame ▁to ▁prevent ▁a ▁door ▁from ▁swing ing ▁through ▁when ▁closed , ▁an ▁act ▁which ▁might ▁break ▁the ▁h ing es . ▁ ▁Arch it ra ve ▁– ▁The ▁decor ative ▁m old ing ▁that ▁out lines ▁a ▁door ▁frame . ▁( called ▁an ▁Archiv olt ▁if ▁the ▁door ▁is ▁arch ed ). ▁Cal led ▁door ▁cas ing ▁or ▁brick m old ▁in ▁North ▁America . ▁ ▁Rel ated ▁hardware ▁▁ ▁Do or ▁furn iture ▁or ▁hardware ▁refers ▁to ▁any ▁of ▁the ▁items ▁that ▁are ▁attached ▁to ▁a ▁door ▁or ▁a