Full Idea
On Woodward's manipulationist view, an explanation would take the form of a causal graph.
Gist of Idea
An explanation is a causal graph
Source
report of James Woodward (Making Things Happen [2003]) by Michael Strevens - No Understanding without Explanation 1
A Reaction
The idea is that causation is all to do with how nature responds when you try to manipulate it. I'm certainly in favour of tying explanation closely to causation.