Floppies had directories. Except in the very earliest MS-DOS versions 1.x which didn't have subdirectories. They were added in 2.0 I know people often didn't u

Floppies had directories. Except in the very earliest MS-DOS versions 1.x which didn't have subdirectories. They were added in 2.0 I know people often didn't use directories on floppies but the complexity was replaced by another one: which floppy contained the file you were looking for. Most people had big boxes full of hundreds of them.