'grel ba

comment, illucidate [RY]

1) clearly and simply explain; 2) comment[ary] [IW]

comment, commentary, explain [thd]

commentary [JV]

'grel ba, bkral ba, dgrol ba, khrol trans. v.; 1) to elucidate, comment on; comment, elucidate, explain, illustrate, interpret, make a commentary on, clearly & simply explain. 2) commentator, 'grel pa po [RY]