The primary purpose of illustration in storytelling is to visually support and enhance the narrative, helping readers visualize the characters, settings, and events described in the text.

Photorealistic illustration is not a common style as it involves creating artwork that closely resembles a photograph, which is often achieved through digital painting or advanced techniques.

Composition refers to the arrangement and placement of elements within an illustration, including characters, objects, and backgrounds, to create a visually pleasing and cohesive image.

Perspective is the technique used to create the illusion of depth and distance in an illustration, making objects appear closer or farther away from the viewer.

Shading refers to the gradual change in value from light to dark in an illustration, creating the illusion of form, depth, and texture.

Yellow is not a primary color in color theory. The primary colors are red, blue, and green, which can be mixed to create all other colors.

Complementary colors are colors that are opposite each other on the color wheel, creating a strong contrast and visual interest when used together.

Digital is not a traditional drawing medium. Common drawing media for illustration include pencil, ink, and watercolor.

Transferring refers to the process of moving a drawing from one surface to another, often using tracing paper or other techniques.

Coloring is not a specific illustration technique. It involves adding color to an illustration, which can be done using various techniques like hatching, cross-hatching, and stippling.

Sketching refers to the process of creating a rough, preliminary drawing or outline of an illustration, often used to explore ideas and compositions.

Abstract concepts are not a common subject for illustration as they are difficult to visually represent. Common illustration subjects include characters, landscapes, and animals.

Finishing refers to the process of adding final details and refinements to an illustration, such as adding highlights, shadows, and textures.

Individuals are not typically clients for illustration work. Common clients include publishers, advertisers, and authors.

Sequential art refers to the process of creating a series of illustrations that tell a story, often used in comics, graphic novels, and storyboards.