Main water/steam unit – heats water to produce steam.
Long flexible hose – carries the steam to the handle.
Steam handle/nozzle – where the steam comes out.
Different attachments/brushes – for clothes, upholstery, curtains, and other surfaces.
Cloth pad – helps with fabric steaming.
Long metal rod – likely an attachment/extension piece.
You can use it to steam clothes, curtains, sofas and some other fabric surfaces. Be careful because the steam can cause serious burns.