remote sensing
It is called the action, which means the height/distance of the strings from the fretboard..
The distance between the lowest and highest tones a voice or instrument can produce is called "range."
The distance between i.e. a C and the C below that, is called an octave.. But the distance between a C and the D above is an interval.
octave
The resting place at the end of a phrase is called a cadence. The distance between different pitches is called an interval.
remote sensing.
remote sensing.
It is called observation.
Observation
The gathering of scientific information is called research.
Information gathering... probably research
visual perception
information management
information management?
hypothesis
Accounting
The process is generally called investigation, which is the basis for forming a hypothesis.