Perek Eizehu Mekoman and the Great Revelation of the Tiferes Yisroel

Why do we specifically learn Perek Eizehu Mekoman before davening? If it's because it has no machloket, there are other chapters as well? What does the Beit Yosef mean when he describes it as משנה ברורה למשה מסיני?


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