Sentence:  Practicing vocational service to the limit of one's vision makes a difference whether an employer regards his employees as "robots or human beings"; it makes a difference in the kind of advertisements he publishes or <WSD>broadcasts</WSD>; it makes a difference how he reacts under pressure from a competitor; it makes a difference in the quality of his service. 
Meaning of the word marked with <WSD> tags:  To transmit a message or signal through radio waves or electronic means.