The phrase "knowledge gaps" means the areas or topics where there is a lack of understanding or information. It refers to the things we don't know or understand yet and need to learn more about. Full definition
More importantly, there is a need to communicate associated knowledge gaps in a clear and useful way, thus resulting in better decision making. (chimalaya.org)
Sharing best practices can help organizations fill knowledge gaps, improve efficiency, encourage leadership, and more. (elearningindustry.com)
Because it's unfamiliar, players aren't able to just slip into it, and there is a significant knowledge gap between a new player and an old. (metacritic.com)