Vertical lines follow the course of north to south and vice versa, along the y-axis and like the horizontal line, It's really a straight line which is drawn from top rated to base and back. Under, you will see a few examples of artworks that include horizontal and vertical lines. https://andrelswa74063.jiliblog.com/86207425/discover-the-magic-of-silver-clay-jewellery-an-enthralling-journey-into-unique-craftsmanship