Charles W. Penrose calls Kolob a "world".
Charles W. Penrose, "The Personality of God," Journal of Discourses 26 vols. (Liverpool: Daniel H. Wells, 1886), 26:27; L. Tom Perry Special Collections, Harold B. Lee Library, Brigham Young University
Mount upward to the stars; go to the sun, pass above the sun to the two worlds that govern it, that we read about in the Book of Abraham, in “The Pearl of Great Price;” go even unto Kolob, the nearest to the throne of God, and there is just as much space beyond as that which you have left. There is no outside to space—no beginning, no end.