he Big Idea approach to preaching is birthed from an understanding of the nature of communication. That is, when we communicate, we are not just firing words out into nowhere. Rather, we are seeking to have the other party get the idea of what we are saying. Communication is about ideas. We want the other to say, “I see what you are saying.”
Ideas change lives. People give themselves to ideas. Christianity is a content-based faith. Which is why a very high view of Scripture tends to resonate with a commitment to expository preaching. That is, bringing out from the text the meaning that is there and seeking to effectively communicate that truth to others with an emphasis on why it matters to them.
But I don’t just want to extol the virtues of a “big idea” approach to preaching. I also want to highlight a couple of potential misapplications of it. Let’s use a very simple “communications” model: