My initial thoughts and interpretive assumptions, based on my observations, are in these posts.
The Book of Revelation – Part 36 – The Book of Revelation’s Purpose
The Book of Revelation – Part 37 – Roadmap of the Future?
The Book of Revelation – Part 38 – Vision by Vision and Visions within Visions
The Book of Revelation – Part 39 – The Knowledge and Mystery of the Seven Churches