(mathematics) magic square

total concentration in something, being totally absorbed insomething

immersing oneself in something completely, totally absorbing oneself in something

(military) phalanx / (mathematics) magic square

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

to research, to study

a piece of research, a study, investigation

demon, devil, evil spirit, evil influence