For the new white belts who are starting to watch random Youtube videos and Instagram reels, it can be difficult to determine which technique videos are actually good or useful for your current stage of development. If you want to study more, a good place to start is this new free introductory course by Lachlan Giles, where he covers all the basic techniques and concepts that you need at this phase.
https://www.youtube.com/watch?v=lIQHdtkiViY&list=PLDrQXekZsfYZfV1QZ4T5UkxLwFwQ12EbP