• • a movable auxiliary airfoil on an airplane usually attached at the rear end that serves to control direction of flight in the horizontal plane
  • a guiding force or strategy
  • any means of or device for governing, directing, or guiding a course, as a leader or principle

Digital Marketing:

• • a broad term that encapsulates all marketing channels including Business websites and blogs, search engines, websites, social media, email, video-sharing sites, Business networking sites, and mobile “apps”