Source : WordNet®

touch on
     v 1: refer to or discuss briefly
     2: have to do with or 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}]
     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}] [ant: {break}]
     4: have an effect upon; "Will the new rules affect me?" [syn: {affect},
         {impact}, {bear upon}, {bear on}, {touch}]