This is an excellent 'learn by example' guide, one I wish I had three years ago when all this was borderline 'incomprehensible' to wade through with no prior experience.
This literally takes new users 'by the hand' in developing a basic understanding of methods used to create art with Stable Diffusion, it doesn't get into the complexities of latency and inference or the particulars of generating a Comfy workflow, but it does take the new user step by step through image generation and touches on all the relevant base concepts associated with each method.
If you're just getting started with Stable Diffusion, this will get you started in the right direction, it touches all the bases, checks all the boxes.