When you use "pay to many", you pay bitcoin to all recipients in a single transaction and there is no other transaction at all.
Right, so I just need to pay the fee once. And if it's confirmed, all the recipient would receive their bitcoins. This way can reduce cost as well
Click on "View" at top of the window and select "Show Coins".
Yeah, I see a couple of output points, and each has their address and amount. Do they mean that the total fund in my wallet are stored into these addresses ? And I can choose a particular address to make a specific payment