a written work; a book, publication, or literary piece (also used as 'to write/publish a work'); often used in contexts of authorship and copyright
彼女の最新の著作は国際的に評価されている。
Her latest work has been internationally acclaimed.
この著作は大学の授業でよく取り上げられる。
This work is often assigned in university courses.
著作権は著作を創作した時点で発生する。
Copyright arises at the moment a work is created.
その論文は彼の代表的な著作の一つだ。
That paper is one of his representative works.