Section 1. Before transfer of copyright. Left to right: Step 1. Submit article to journal. Step 2. Peer review. Step 3. Edit. (these steps may go back and forth). Step 4. Accepted by publisher.
The Pre-print is not an accepted version. The Author accepted manuscript is an accepted version.
Section 2. After transfer of copyright. Step 4. Copy edited and typeset. Step 5. Published online. Step 6. Published in print.
The proofs are not an accepted version. The version of record is not an accepted version.