It's in the Post

"Instead, I wanted to recover my own lived sense of the period not as a dwindle into disparateness but as the true fruition of punk's ideals. The after-zones of rock history are hard to grasp precisely because they're so various. This rich muddle demands identifying labels that are umbrella-broad and open-ended. Hence post-punk, not a genre so much as a space of possibility, out of which new genres formed: Goth, industrial, synthpop, mutant disco, and many more.

"I can think of at least a couple more 'post-' terms that could usefully redraw the map of pop music history:"

In a 2009 Slate article, Simon Reynolds discusses the "'in-between' periods in pop."