1. Drawing and Illustration: The ability to create illustrations and drawings by hand or digitally is essential for a graphics illustrator.

2. Color Theory: Understanding the basics of color theory and how to use color to create a desired effect is important for a graphics illustrator.

3. Typography: Knowing how to use typefaces and fonts to create a desired effect is important for a graphics illustrator.

4. Layout and Composition: The ability to create a visually appealing layout and composition is essential for a graphics illustrator.

5. Digital Imaging: Knowing how to use digital imaging software such as Adobe Photoshop and Illustrator is important for a graphics illustrator.

6. Creative Thinking: Being able to think creatively and come up with new ideas is essential for a graphics illustrator.

7. Problem Solving: Being able to identify and solve problems is important for a graphics illustrator.

8. Communication: Being able to communicate effectively with clients and colleagues is important for a graphics illustrator.