what do you call a person who can focus on a thing perfectly for a particular period of time?

single-word-requests word-usage

enter image description here Please help in finding the word.


Solution 1:

Consider single-mindedness:

the quality of being very determined and thinking only about achieving a particular thing:

  • His quiet single-mindedness allowed him to accomplish something that others had been trying to do for years.
  • They demonstrated a remarkable single-mindedness in pursuing their goals.

Cambridge Dictionary

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