| v. t. | 1. | To mention briefly, or in passing. |
| Verb | 1. | touch on - refer to or discuss briefly |
| 2. | touch on - have to do with or be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments" | |
| 3. | touch on - restore by replacing a part or putting together what is torn or broken; "She repaired her TV set"; "Repair my shoes please" | |
| 4. | touch on - have an effect upon; "Will the new rules affect me?" |