Visual metaphors are an essential aspect of enhancing the engaging narratives of webtoons. These visually-driven comics, or graphic novels, often use a combination of text and images to create a deeper connection with the reader. At the heart of this storytelling method are visual metaphors, which add a whole new level of emotional depth to webtoon narratives.

The primary function of visual metaphors is to evoke thoughts and feelings in the minds of readers in a more instructive manner compared to conventional narrative techniques. Webtoon artists often incorporate visual metaphors by using representational patterns, colors, or shapes to represent abstract concepts such as feelings, ideas, or memories. By doing so, they create a direct connection with the reader's collective mind, allowing the reader to experience the emotions and thoughts of the protagonist in a more vivid way.

For instance, in South Korean webtoon 'Omniscient Reader', a story follows a young man named Park Hyeong Seok who finds himself trapped in a fictional world. To represent the idea of reality and fiction colliding, the artist uses an image of a door that is both open and stuck, creating a visual metaphor for the blurred lines between reality and 블랙툰 fantasy. This visual metaphor helps the reader to quickly grasp the complexity of Park Hyeong Seok's situation, drawing them further into the narrative.

Another significant aspect of visual metaphors is their ability to convey moral lessons in an engaging and non-intrusive manner. Webtoon artists often employ these metaphors to subtly guide the reader's interpretation of the narrative, without hitting them over the head with a heavy-handed message. For example, in Japanese webtoon 'A Distant Neighborhood', the artist uses the shape of a mountain as a visual metaphor for the protagonist's introspection and growth.

Furthermore, visual metaphors allow webtoon artists to venture into new genres often, enabling innovative and engaging narratives. This flexibility enables artists to tackle complex narratives in a fresh and creative way, drawing inspiration from various art forms such as dance, video games, or even architecture.

In conclusion, visual metaphors play a pivotal role in the narrative progression of webtoons, enhancing the emotional connection with the reader and providing a rich platform for moral exploration. By leveraging the power of visual metaphors, webtoon artists can create resonant stories that resonate with readers on a lasting level.