Answer :
The best explanation to the given quote given is that the best way to find out that the instrument is working prroperly is by its response to touch and movement.
The quote talks about an instrument that works properly when it is receptive to contact and fueled by seething subtext and a driving purpose.
Therefore, this is referring to something that:
- Is able to respond to touch
- Has an ability to move
- Has a direction or purpose
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https://brainly.com/question/14937848