The document discusses skills the author has learned regarding editing a music video from AS to A2 level. The author learned how to sync video clips to music, how to lay a foundation by placing base tracks on the timeline before cutting clips, and how to match colors across clips using color correction numbers that can be copied and pasted. Effects were also experimented with to enhance scenes, with some kept and others adjusted or removed. Overall, the author's editing skills have improved significantly from learning new techniques.