It is considered so essential that there exists a summary work on it, called . This work generally leaves out the questions that the  raises on Rashi, and simply sums up his idea that he culled from the Rashi in about a sentence or two equivalent to the paragraph-length entries in the .
It is considered indispensable that there exists an abridged version covering this topic, named . This summary typically avoids addressing the issues raised by  about Rashi and instead provides a brief overview of his ideas, comparable to the detailed entries in .