touch on

touch on
    v 1: refer to or discuss briefly
    2: be relevant to; "There were lots of questions referring to
       her talk"; "My remark pertained to your earlier comments"
       [syn: {refer}, {pertain}, {relate}, {concern}, {come to},
       {bear on}, {touch}, {touch on}, {have-to doe with}]
    3: restore by replacing a part or putting together what is torn
       or broken; "She repaired her TV set"; "Repair my shoes
       please" [syn: {repair}, {mend}, {fix}, {bushel}, {doctor},
       {furbish up}, {restore}, {touch on}] [ant: {break}, {bust}]
    4: have an effect upon; "Will the new rules affect me?" [syn:
       {affect}, {impact}, {bear upon}, {bear on}, {touch on},
       {touch}]
    

touch on \touch" on\, v. t.
   To mention briefly, or in passing.
   [PJC]