The phrase "extraordinary breadth" means having a wide scope or range that is unusually impressive or significant. It suggests that something encompasses a vast variety of things or covers a large amount of territory. Full definition
Marked as «one of the leading artists of her generation» by Tate Britain, the exhibition will «reveal extraordinary breadth of her career over three decades, from the four early sculptures shown in her first solo show in 1988 to works made this year especially for Tate Britain». (itsnicethat.com)
Organized by the Addison Gallery of American Art, Mark Tobey: Threading Light presents extraordinary breadth, nuance, and radical beauty of artist's work. (resnicow.com)
«She has extraordinary breadth of experience and global knowledge of the contemporary art world, which is seamlessly balanced with her attention to local and regional communities and audiences. (artforum.com)