No one knows the platform better than the ones who invested their time to create it.
It's my number one go-to when it comes to optimizing my Webflow skills. They have bite-size videos and have a whole crash course made of those videos. So if you are a beginner, freelance developer, digital agency or you want to keep your skills fresh, Webflow university is where it's at.
(I highly recommend you pay attention to class layouts and even watch additional videos on how to properly manage them. Having unorganized classes is like having laundry laying all over your room... I would know.)
Show the client the research completed, the conclusions established, the content determined to be important, and the implementation of those decisions in how a visual product will engage the target audience through presentation and documentation.