It's ok - I don't mind answering
1) The emulator is connected inside the cpu-unit, replacing the original floppy disk. (using exactly the same connections).
2) Then a usb-stick is formatted on your pc, using the software. This creates about 100 small partitions on the disk - the size of a floppy disk. (So you have 100 floppy disks on the usb-stick).
3) Then you could take the usb-stick and plug it into the emulator in the cpu-unit. You choose the partition (disk) you want to work on with the buttons and display on the emulator. Then you could write your session info to that partition - the cpu-unit will see it as a floppy disk being written on. Same would go for reading.
4) Then take the usb-stick back to the pc. Access the partition you wrote to through the software.
Did that help, or am I confusing you more?