Shower Faucets - These include the trim to control the water, as well as a shower head.
Tub and Shower Faucets - These include the trim to control the water, as well as a shower head and tub spout.
Shower Panels - These are all-in-one systems, usually connected to a backplate. They typically include all of the necessary controls, body sprays, shower head, and sometimes a tub spout.
Complete Shower Systems - These include everything you need for your shower system, including controls, body sprays, and shower heads, but they are not all attached in one unit like shower panels.
Shower Heads - This option includes only the shower head part, with no controls.
Body Sprays - This option includes only body sprays, which project water out from the shower wall.
Hand Showers - This option includes only hand-held showers, which are connected to the system on a hose.
Faucet Trim Only - This option includes only the trim part of the faucet, which connects to the valve to control the water. This option is best if you already have a shower head you are planning to use.
A valve is the part of the faucet that connects to the pipework and actually controls the flow of the water. Many shower faucets do not include a valve, and are just the "trim", or the decorative part of the faucet. If you select a faucet that is the trim only, be careful to select the appropriate valve you need to make the faucet work. This should be clearly stated in the product specifications.