Motion graphics involves graphical elements that change over time through animation or video. It is used in broadcasting, websites, television advertising, and interactive menus to create visual impact for target audiences. Common uses include web banners, advertisements, animated captions, and stings or indents which are short animated videos or logos. Creating motion graphics requires elements like text, still graphics, moving graphics, video, audio, and consideration of resolution, output formats, frame rates, and screen ratios. The main challenge is the time needed to render animations.