Yes, tags can be defined at the time of upload from the publisher or while editing from the Media Manager or My Media. Tags can also be defined from Tags Library so pre-existing tags are selected when publishing a video. This feature also allows central control of available tags that can be assigned to a video, therefore avoiding typos or noise words. Additionally, tags provide superior search functionality within a video.
Read more: How to Configure and Use Enterprise Tags
Watch Video: Creating and Using Tags