The term "dramatic effect" refers to a significant or striking impact that is intended to evoke strong emotions, create tension, and capture the attention of an audience. It can be achieved through various techniques such as using vivid imagery, creating contrasts between light and dark, employing dramatic music or sound effects, or utilizing expressive acting or body language. The goal is to make a lasting impression on the viewer or listener in order to enhance the overall impact of a performance, presentation, or piece of artwork.