Final answer:
George should consider compatibility requirements, visibility across devices, image sizing and placement, as well as layout and balance, to ensure clear and effective visual communication while modifying digital graphic images.
Step-by-step explanation:
When George is planning to modify some digital graphic images, he should keep several important characteristics in mind. Aspects to consider include the compatibility requirements, ensuring the images are visible on different devices and platforms, and being mindful about the sizing and placement of the images within the composition.
Additionally, George should pay attention to the layout and balance within the images, as well as aspects like color, scale, and unity. It is also essential to think about the audience and purpose of the images to ensure they are clear and have the desired impact. Considering these factors is crucial for the effectiveness of visual communication and to minimize confusion or frustration for viewers.