In Reader’s Digest Universal dictionary (No, really! It’s fantastic!) exposition is defined as, among other things,
the setting forth of meaning or intent.
It’s telling the action rather than showing the response and emotions associated with it.
The blow was totally unexpected. This is telling us he was surprised rather than showing us why. It’s not showing us the gasp, the flinch, the watering eyes.
She slapped him hard across the face. This is pure action. And it’s fine. But in this form it should come before the ‘show’ version of the first sentence….
She slapped him hard across the face. He gasped…
I’m only just getting my head round exposition. I recognise it when I see it but don’t always know how to illustrate what I mean. In the case you highlight, Jumbo, it’s the combination of those two sentences, rather than each individual one.
Clear? No, I thought not.
Dee