Demo and Try-on

Demo noun - A mass meeting for the purpose of displaying or arousing support for a cause or person.

Try-on and demo are semantically related. In some cases you can replace phrase "Try-on" with "Demo", this terms are similar.

Try-on noun - Putting clothes on to see whether they fit.

Demo and try-on are semantically related. Sometimes you can use "Demo" instead a noun phrase "Try-on".