The cover of a Souvenir Program that was created for the March 3, 1904 dedication of the structure.
Graphic from Wikipedia / James Steeber Archive

A circa-1918 physical layout of the ARCADE, which was a mixed-use complex before the term had even been thought of. The core of the structure, indicated in black, was built between 1902 and 1907. Structures such as the Commercial Building and Miami Savings Bank Building came along a bit later.