One of the secrets I've found in managing effectively is also one of the steps that managers skip most often. It's making sure you always talk about the why.
Sharing a decision with your team? Tell them why you made it.
Choosing not to take their recommendation for next steps? Tell them why you are going in another direction.
Prioritizing one project over another? Tell them why that makes sense for the business.
It's easy to skip this step, and focus on just communicating a decision. So, why should you take the time?