For the purpose of this subchapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
"GROUP DEMONSTRATION." Any assembly together, or concert of action between two or more persons for the purpose of protesting any matter, making known any position or thought of the group, or of attracting attention to such demonstration.
"PARADE." Any parade, march, ceremony, show, exhibition, or procession of any kind in or upon the public streets, sidewalks, parks, or other public places.
"PICKET LINE." Any person or persons formed together for the purpose of making known any position or promotion of that person or persons or on behalf of any organization.
('70 Code, Ch. D, Art. V § l(b))