So, I offer her and you: Okay, kiddos, the word of the day is... Not to spoil the mystery, but the word is TIGHT. She begins with: "Tight writing (in my own, informal definition) is writing which does not contain that which does not have to be there. In other words, no extra words."
As Rachel warns, it's a long post, but read it all. It's worth the time.
ETA: At the time of this post, I'd been meaning for weeks to read Ms. Vincent's book - Stray - but I hadn't gotten around to it. After writing this post, I kicked myself in the butt and sat down with the book. (After