Enhancing visualization comprehension has been approached through multiple research streams, with significant contributions from areas such as visualization literacy, sensemaking, insight, and graphical perception. While each of these streams independently enhances specific aspects of viewers understanding, they have tended to remain distinct. In this paper, first, we describe the distinct streams of visualization comprehension research and elucidate the interplay between them. Then, we provide design considerations that emerge from these streams. We also outline research opportunities within and at the intersections of these streams. By exploring these connections, we aim to provide a broader perspective on how different approaches to visualization comprehension can inform one another and enhance user engagement with visual data.