In graphic design, resolution refers to the level of detail and clarity of an image. It is measured in dots per inch (DPI) and determines the number of pixels in a digital image. Higher resolutions generally result in sharper, more detailed images, while lower resolutions may appear fuzzy or pixelated. 

Resolution is important in graphic design because it affects the quality and appearance of the final product. Images that are intended for print, such as business cards, brochures, and posters, typically require a higher resolution than images that will be displayed on digital screens, such as websites or social media.

It is important to note that increasing the resolution of a low-quality image will not necessarily improve its quality. In fact, it may make the image appear more pixelated or blurry. This is because increasing the resolution essentially stretches the existing pixels, rather than adding more detail to the image.

In summary, the resolution is a crucial aspect of graphic design that determines the level of detail and clarity in an image. It is important to choose the appropriate resolution for the intended use of the image, and to ensure that the image is high-quality to begin with in order to achieve the best possible final product.

When designing for print, a resolution of at least 300 DPI is recommended to ensure that the final printed product looks sharp and clear. Images intended for digital screens, on the other hand, can usually be designed at a lower resolution, such as 72 DPI.