What does "inscrutable" indicate about a subject?

The term "inscrutable" refers to something that is difficult to understand or interpret. When applied to a subject, it suggests that the nature of that subject is vague, obscure, or ambiguous, which aligns perfectly with the idea of being of an obscure nature. This term is often used in contexts where meanings are hidden or where the subject matter is complex and not easily decipherable.

In contrast, the notion of something being easily understood indicates clarity and straightforwardness, which does not fit with the definition of "inscrutable." Similarly, the idea of something constantly changing implies a lack of stability or clear definition, and the concept of something being easily repaired refers to physical objects that can be fixed without complication. None of these options capture the essence of "inscrutable" like the notion of obscurity does.