| Bluetooth definitions:
Piconet:
Devices connected in an ad hoc fashion, that is, not requiring predefinition and planning, as with a standard network. Two to eight devices can be networked into a piconet. It is a peer network, that is, once connected, each device has equal access to the others. However, one device is defined as master, and the others as slaves.
Scatternet:
Several piconets may form a larger scatternet, with each piconet maintaining independence.
Master unit:
The master in a piconet whose clock and hopping sequence synchronizes the other devices.
Slave unit:
Devices in a piconet that are not the master.
MAC address:
Three bit address that distinguishes each unit in a piconet.
Parked units:
Piconet devices that are synchronized but don't have MAC addresses.
Sniff and hold mode:
Power-saving mode of a piconet device. | 
