He is very careful in choosing words and phrases.

A determiner plays a role in specifying a noun.

There are several words used as 働詞 in this ancient document.

The word 'hatarakikotoba' is used in this old document.

He wrote the original lyrics of the song.

The language used by courtesans during the Edo period, that's what 'Kuruwa Kotoba' is.

Shiba is my best friend.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'