Audiences often feel confused when the speaker does not provide a clear road sign that the speech or presentation is coming to an end. "Therefore, before closing, you should always announce it ...

Dyna ddiwedd y cyflwyniad. – That’s the end of the presentation. You could then thank the audience for listening: Diolch am wrando mor dda. – Thank you for listening so well. Diolch am wrando.

To this end, oral presentations — like papers — must emphasize both the motivation for the work and the outcome of it, and they must present just enough evidence to establish the validity of ...