BNO Acoustics GT-60: Bridge

The bridge assembly, or just "bridge" is an area on the face of the guitar where the string meet or are connected to the face.

BNO Acoustics LK-61: Linearity
The extent to which any signal handling process is accomplished without amplitude distortion.

Sum
A signal that is the mix of the two stereo channels at equal level and in phase.

MIDI Clock with Song Pointer
A MIDI clock signal (time data in the MIDI signal that advances one step each 1/24 of a beat) which also has a number signal for each measure to indicate the number of measures into the tune.

Frequency Range
The range of frequencies over which an electronic device is useful or over which a sound source will put out substantial energy.

Relay
An electric switch, when a control voltage is applied to the device, two terminals are connected (or disconnected).

Reverberation Envelope
Literally the attack, decay, sustain and release of the reverberation volume; in other words, how fast the reverberation reaches peak level and its rate of decay.