'Aishah (May Allah be pleased with her) reported:
the speech of Messenger of Allah ﷺ was so clear that all those who listened to it would understand it.

[Abu Dawud].

وعن عائشة رضي الله عنها قالت: كان كلام رسول الله ﷺ كلاماً فصلاً يفهمه كل من يسمعه. ((رواه أبو داود)).