Leaders are people who inspire others to follow. They do this largely through their communication. That influence partly comes from what leaders talk about, such as a vision of the future, organizational values, and other topics which have been well-described in many books and articles on the subject. But the influence also comes from the way leaders phrase things.
Rick Lynch has based this article on some of his recent research into what kinds of communication inspire commitment and what kinds inspire resistance. He identifies seven skills which will make you a more influential leader if you master them.