To come into or be in contact with something. She reached out to touch the soft fabric of the dress.
To affect or move someone emotionally. The heartfelt speech touched everyone in the audience.
To deal with or address a subject or issue. The report did not touch on the recent developments in the case.
To influence or have an impact on something. The new policy will touch many aspects of the company's operations.
To reach or attain (a particular level, point, or state). Temperatures touched 40 degrees Celsius during the heatwave.