mai shela shine "mai sanarwa, musamman wanda yake gabatar da shirye-shirye ko karanta labarai, tallace-tallace, ko sanarwar tasha a rediyo ko talabijin." Mai shela kuma yana iya komawa ga wanda ya yi sanarwa ko sanarwa a cikin wani wuri na yau da kullun, kamar taron jama'a ko wasan wasanni.