Two segments on positioning, could write a book on it! Basic questions to ask...1) can I see the important stuff? 2) am I close enough to manage should it be needed? 3) am I in the way? 4) how much of the pitch can I see?

Rugby refereeing 101. It’s not about the law, it’s about people management while using the law. Know the law, but use your people skills to improve the outcome. 
Cover art photo provided by Quino Al on Unsplash: https://unsplash.com/@quinoal