An organic computer we all currently possess. At this point, the second individual sends this new improved expanded concept back to the original individual again using some sort of symbolic system, like speech. Resulting with the first person now having received back in return a new expanded version of the original thought, hopefully bearing fruit. The thought has gone full circle and returned improved. Knowledge has been acquired.
Communication is a two-way interaction.
You cannot communicate by talking at someone. You must communicate by talking with someone. More than two entities can participate at the same time in communication immediately multiplying the power of trillions upon trillions of brain cells. The inner space within your brain can demonstrate surprisingly powerful talents but only if one uses their own inherent will power and focus. The subatomic particles comprising your brain orbit in various resonances.