This is the 1604th most frequent Japanese word.
意思
"意思" means "intention" or "will."
In this sentence, '意思' refers to a person's clear intention or determination.
彼の意思は明確だと思う。
I think his intention is clear.
Here, '意思' expresses the idea of willingness or resolve to take part in something.
このプロジェクトに参加する意思がありますか?
Do you have the intention to join this project?
In this case, '意思' is paired with '疎通' to mean 'mutual understanding' or 'communication between intentions.'