To me, documentation and developing a design system is just as important as the designs. How can there be consistency and harmony amongst the design team without it? I love the process of creating design systems, documentation with full explanations and the reasoning behind these decisions and the ability for all designers to easily access resources for a better work flow.
Mobile Standards
I had the opportunity to layout and document new mobile design systems that laid the groundwork for our updated design system. Is this the sexiest thing you've ever seen? No. Is it important in the design process, you bet your sweet potato pie it is! Here's one page of many as an example:
Diagrams and architecture
Working with developers early on and throughout the design process allows all involved to collaborate and build faster. We came together to make many diagrams, flow charts and other documentation to assist in our decisions: