1:  a device used to produce music; also:  a singing voice

2a:  a means whereby something is achieved, performed, or furthered

 b:  one used by another as a means or aid :  dupe, tool

3:  implement; especially:  one designed for precision work

4:  a formal legal document (such as a deed, bond, or agreement)

5a:  a measuring device for determining the present value of a quantity under observation

 b:  an electrical or mechanical device used in navigating an airplane; especially:  such a device used as the sole means of navigating

(“Instrument.” Merriam-Webster, n.d. Web. 7 Aug. 2017.)


a) Instrumentalisation

b) Development of an idea

c) test-one

d) test-two

e) test-three

f) test-3.1