#engrossment__absorption  complete attention; intense mental effort
  supertype:  #attention.mental_faculty  the faculty or power of mental concentration; "keeping track of all the details requires your complete attention"
  subtype:  #focussing__focu__focusing__centering  the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"
     subtype:  #particularism  a focus on something particular
  subtype:  #specialism  the concentration of your efforts on a particular field of study or occupation
  subtype:  #study.engrossment  a state of deep mental absorption; "she is in a deep study"

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