projectile point: the tip of a weapon that is thrust forward; spear or arrowhead band: a group of people formed for some common purpose and often with a leader barter: trade by exchanging one commodity for another alienation a withdrawing or separation of a person from an object or position of former attachment; a feeling of not belong ing to or being part of one's surroundingsprojectile point: the tip of a weapon that is thrust forward; spear or arrowhead band:a group of people formed for some common purpose and often with a leader barter: trade by exchanging one commodity for another alienation:a withdrawing or separation of a person from an object or position of former attachment; a feeling of not belonging to or being part of one’s surroundings