An analogy to the problem of multiple access is a room (channel) in which people wish to talk to each other simultaneously.
If three people are talking simultaneously, your brain can probably still pick out one voice.
However, if 1,000 people are talking simultaneously, there is no way that your brain can pick out one voice.
And a single stage can accommodate up to three reporters talking simultaneously.
They began talking simultaneously - talking over one another, competing for air space.
A character simultaneously talks to one person on the phone and another in the room.
Behind him, the event director was talking simultaneously to Lowe and to the floor director down on the stage.
The Kode cell phone, above, allows up to six people to talk simultaneously.
Men were more likely than women to talk and drive simultaneously.
I'm big there," he told her, while simultaneously talking on the phone to a colleague in Washington.