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

a style, a type / a mold, a pattern, a template / (martial arts) kata (choreographed training exercises) / (noh, kabuki) a particular style of stage movement or choreography

sex, gender / (grammar) gender

atomic nucleus / (algebra) kernel / (astronomy) core, nucleus / cell nucleus

a piece of research, a study, investigation

to research, to study

nuclear / atomic / nuclear power / core / kernel

mold, pattern / type, model, style

type / shape, pattern, likeness