 When we visually perceive the apple we have an experience in which its facing red surface is a sensuously manifested objective constituent; we perceive the apple but are, strictly speaking, only acquainted with a portion of  it.[2]  Broad sometimes prefers to say that we prehend the facing surface (or ostensibly prehend the surface). Now the notion of prehension is fundamental for an understanding of Naïve Realism as well as Representational Realism, so it seems advisable to briefly take a somewhat closer look on Broad’s account of it.