Speak on a panel

[Sepmre]

What the experssion "speak on a panle" means?

I want to know if it conveys the conception of speaking virtually that being broadcasted on a screen?

Thank you

[Rover_KE]

What does the expression "speak on a panel" mean?

I want to know if it conveys the conception of speaking virtually and being broadcasted on a screen?

In what context did you encounter this phrase?

[Sepmre]

Hi rover,

Thanks for corrections.

Here:
Midwinter

In which talked about a session using Google+ Hangouts.

Thank you

[Rover_KE]

I think it just means 'discussion group' or 'meeting of delegates'.