What's the big idea anyway?

“Does that kind of make sense?” My mentor asked. 

I sat there thinking over what he said. It seemed simple enough. 

So it’s just like a theme? Like in a movie” I asked. 

“Well yes and no. It’s your ‘big idea’. It carries everything forward and wraps the message up together” he said. 

It took me ages to wrap my head around this “big idea”. 

It’s not a hard co…