Get the full picture of what is marketing
Create a diagram of everything that comes under marketing. Categories, areas, disciplines, techniques, from branding and direct response, through psychology, copywriting, media, ads, and down to upsells, A/B tests, and so on. See everything that is part of marketing and how all the parts relate to each other.
You need to develop a process for scaling and systemizing your business. Why not get insight and inspiration from the best?!
Publish diagrams and flow charts with explanations of the best processes and system out there, developed and used by the best companies.