Start with something messy, get to the point, get an editor, and make it good.
Your work speaks for you.
A milestone is less date and more definition.
Watch with awe and amazement at how quickly an engineer will become totally annoyed by inefficiency.
Good design isn't about making decisions for your users, it's about making those decisions irrelevant.
One of your many jobs as manager is information conduit, and the rules are deceptively simple: for each piece of information you see, you must correctly determine who on your team needs that piece of information to do their job.