You know the scene — you're making dinner, calling the plumber/doctor/mechanic, checking homework and answering work emails — at the same time.
All the while, you are being peppered with questions by your nearest and dearest "where are my shoes?", "do we have any cheese?", "what time's my basketball game?", "what are we doing next Saturday night?".
But even if you know this experience well, you may not have the language to describe it.