Define flange as an effect
Two signals are mixed together, one delayed by a changing amount (the sound alternates between speeding up and slowing down), creating a ‘jet plane’ effect
Define chorus as an effect
An effect which duplicates and delays the sound slightly, as well as detuning it slightly, to give them impression of multiple layers.
Define vibrato as an effect
Modulation of pitch
Define tremolo as an effect
Modulation of amplitude
Define phaser as an effect
A dry signal mixed with a duplicated signal that creates a filter sweep of peaks and troughs in the frequency spectrum