In the song going on what does lyric picket lines and signs represent?

The lyrics "picket lines and signs" in the song "Going On" by Bob Dylan represent the struggles and protests of the civil rights movement in the United States. The song was released in 1963, during a time of intense social and political change in the country. The civil rights movement was gaining momentum, and picket lines and signs were common symbols of protest and activism. By referencing these elements, Dylan captures the spirit of resistance and determination that characterized the movement and highlights the ongoing fight for equality and justice.