[Solved] What is the underlying cause of the law of supply? Prime-Time Television: Denotes the block of evening hours (typically 8 to 11 pm) considered having the largest audience and is reserved for television programs with the widest appeal. Sexual Orientation: An enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes. Erotic Plasticity: The degree to which one's sex drive or erotic preferences may be shaped by environmental, social, or situational factors. Refractory Period: A time period following an action or physiological event during which a second action or event cannot be initiated.