Sentence:  There must be action on and participation in <WSD>broadcast</WSD> methods of public education, face to face, in groups, or by use of the mails. This, however, is of secondary importance to the man-to-man job of education in care with fire in the woods. 
Meaning of the word marked with <WSD> tags:  (omnidirectionally) Cast or scattered widely in all directions; cast abroad.