to briefly mention or discuss a subject
mencionar o discutir brevemente un tema (para mencionar o discutir brevemente un tema)
"She only touched on the topic during her speech."
"ella solo mencionó brevemente el tema durante su discurso." (ella solo tocó el tema durante su discurso.)
to investigate or examine a situation or issue
to share personal thoughts because of a particular topic
to understand something; to kiss passionately
to have a desire to know or learn about something
to be alert and careful about something dangerous
to communicate an idea clearly so that others understand it