Coordinating audio and video involves synchronizing the two elements so that they are in perfect harmony. This is often done in the post-production process of filmmaking, television production, and other media. Syncing, which is the four letter answer to the crossword puzzle, is the process of aligning the audio and video elements so that they are perfectly in sync with each other. This is an important step in the production process as it ensures that the audio and video elements are properly aligned and that the audience will have a seamless viewing experience.