Vector art is created using mathematical equations and consists of point, shapes and lines. Unlike raster images, such as JPEG or PNG files, vector art can be scaled up or down without losing quality. Vector art services usually involve using specialized software to trace or recreate images, logos, or illustrations. This process involves manually creating anchor points and curves to accurately reproduce the shapes and lines of the original art work. The resulting vector files can then be used for various purposes, such as printing, embroidery, engraving, or digital design, where high-resolution and scalability are crucial.
For example: To complete your vector art work, you think your work is missing something, you put it in Photoshop and give it a small texture, trying to do it more. At that time it was no longer a vector job, you should upload it to "Digital Art to Mixed Media". Similarly, if you're using rasterized textures and putting them in Illustrator by applying layer styles; it's not vector art work.
Vector art is a technique that means the art created with vector-based programs or by using vector art services. Vector art basically uses points, lines, and curves. Vector programs notice the relationship between these elements. This allows the created image to change its scale without loss of quality or pixelation. In contrast, pixels lose quality when they are raised above 100%.