Capital assets have been defned as all pieces o real property held by a taxpayer, whether or not connected with his trade or business, and which are not includ included ed among among the pieces pieces o real real prope property rty consid consider ered ed as ordin ordinary ary assets assets.. On the other hand, hand, ordinary assets are defned by enumeration, and reer to all pieces o real property excluded rom the defnition o capital assets, namely: stock in trade o a taxpayer or other real property o a kind which would properly be included in the inventory o the taxpayer i on hand at the the clos close e o the the taxa taxabl ble e year year;; or real eal prop proper erty ty held held by the the taxp taxpay ayer er prim primar aril ily y or or sale sale to cust custom omer ers s in the the ordi ordinar nary y cour course se o his his trad trade e or business; or real property used in trade or business (i.e., buildings andor improv provem eme ents! nts! o a char charac acte terr that hat is su sub" b"ec ectt to the allo allowa wanc nce e or or depreciation; depreciation; or real property used in trade or business o the taxpayer. taxpayer.