the summary transaction would be broadcasted in the bitcoin network.
What did you mean by summary transaction? If you are referring to closing a channel, that's fine. As I and others have told earlier, when we close a channel, there will be an on-chain transaction.
Summary is a wrongly used word. The closing channel I meant.
O_e_l_e_o is good at this and he has been helping me in the simplest method and language ever.
Since I've been tagged, I'll share an analogy I like for explaining the basis behind Lightning in really simple terms below.
That's a great read and a simple way to explain difficult ideas...