1 DISPLAY 2+ 2 DIRECTORY 2.1 %A 2 ENTITY ( 2.1+ 2.1 name 2.2 ) 2 STATUS 2 ILS 2.1? ( 2.1.1+ 2.1.1 gsgname 2.1.2 ) 2 SYSTEM ( 2.1+ 2.1 name 2.2 ) A: 1? ( 1.1 gsgname 1.1 * 1.2 , 1.3 sgname 1.3 * 1.4 , 1.5 sysname 1.5 * 1.6 )