parallel marker, a particle that lists items (abbr. 並詞)

understanding, comprehension / appreciation

to study / to learn

for two or more things to exist next to each other or at the same time

exist side by side

understand, comprehend / appreciate

the Japanese language

(grammar) Particle: a part of speech in Japanese grammar known as a particle or relational; a suffix indicating the part of speech of the previous element or the mode of the whole preceding sentence or clause.

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

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