rule of en·gage·ment noun “A directive issued by a military authority specifying the circumstances and limitations under which forces will engage in combat with the enemy.” The [PR] rules of engagement (ROE) are standing orders to public relations firms (and individual PR professionals) that define the circumstances, conditions, degree, and manner in which the use of pitching, writing or socializing may be applied. These rules provide authorization for and/or limits on, among other things, the