開発

The core image of "kaihatsu" is bringing something hidden or unused into a state of utility and value. This applies to physical land, technological innovation, and human potential.

When referring to land or resources, it describes the process of transforming raw nature into something usable for humans, such as building infrastructure or farming. In this context, it is closely related to "kaitaku" (開拓), but "kaihatsu" often implies a larger-scale, more systematic, or industrial approach.

In the context of technology and products, it refers to the entire process of research, design, and creation of something that did not exist before. It is distinct from "hatten" (発展), which refers to the growth or evolution of something already existing.

Regarding human abilities, it focuses on discovering and polishing latent talents or skills that were previously dormant. It is a formal term often used in educational or professional development contexts.