The concept that you are referring to is not entirely clear. It is important to be more specific about the concept that you are having difficulty understanding. By providing more information, it will be easier to provide a more comprehensive answer to your question. For example, if you are having trouble understanding a particular concept related to mathematics, then it would be helpful to provide some context as to what the concept is, how it relates to mathematics, and any other relevant details. This will allow us to provide more specific advice and guidance on how to better understand the concept.