Means a "clap, tapping one's hand on one's arm, a musical measure". It is the term used in Indian classical music to refer to musical meter, that is any rhythmic beat or strike that measures musical time.
A character's "inner life" would be best described by their thoughts and feelings. So, C. would be your best answer. :)
A person can avoid polarization by
spreading awareness among people about the significance about the unity. By giving motivational speeches or by sticking posters around.
