touch on

verb — 2 senses

touch on

verb

1

Idiomatic To mention briefly; to cursorily discuss.

We touched on the subject of wages, but we didn't reach a conclusion.

2

Idiomatic To come or go to for a short time.

I made a little voyage round the lake, and touched on the several towns that lie on its coasts.1705, J[oseph] Addison, Remarks on Several Parts of Italy, &c. in the Years 1701, 1702, 1703, London: […] Jacob Tonson, […], →OCLC:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.