1 Each term should be used in one and only one way throughout the dissertation.  The easiest way to avoid a long series of definitions is to include a statement: ``the terminology used throughout this document follows that given in [CITATION].'' Then, only define exceptions.
Serial Peripheral Interface Bus. The Serial Peripheral Interface bus (SPI) is a synchronous serial communication interface specification used for short distance communication, primarily in embedded systems. The interface was developed by Motorola in the late 1980s and has become a de facto standard. Typical applications include Secure Digital cards and liquid crystal displays.
ISOBUS plug. ISO 11783 (commonly referred to as ISO Bus or ISOBUS) is a communication protocol for the agriculture industry based on the SAE J1939 protocol (which includes CANbus) .SOBUS plug. ISO 11783 (commonly referred to as ISO Bus or ISOBUS) is a communication protocol for the agriculture industry based on the SAE J1939 protocol (which includes CANbus) .