“If you have videos on your website, make sure that it is surrounded by keywords rich relevant content. The content around the video will define the importance of it for the search engine.”
It is important to optimize the video of your website by putting a relevant description with it, it could be a brief description or a transcript etc. “The more information you include, the easier it is for users to find your video!”
You should try to include the most important information in the first 100 – 120 character because this is the part of video which shows up in search results of a search engine.
If you want your video to stand out in crowd the description should be clear and specific. Try to determine what information your content should have which will help users to find it and distinguish it from others. The use of descriptive language in complete sentences is a good idea.