obuku
Obuku is a term that can refer to several different things, primarily within the context of Japanese culture. Most commonly, it refers to a book or a collection of written materials. In a broader sense, "obuku" can also be used colloquially to mean a significant or weighty book, implying a substantial amount of content or importance.
The usage of "obuku" is often found in informal conversations rather than formal academic or literary contexts.
It's important to note that "obuku" is not a standardized term with a single, universally accepted definition.