### Clue: Speak about flier (4)
### Answer: READ 
 ### Explanation: Definition: Speak
 RE(about;with reference to) + AD(short for an "advertisement", which could be a flier – alternatively, flyer;a pamphlet to be distributed by mail or shoved through your letter box, or handed out in the street).
Answer: To utter aloud printed material, as in "he read his poems to the class".