開発

1. Origins, structure, and basic meaning

• Structure: In 開発 (かいはつ), opening 開 and developing 発 combine to denote bringing a potential object into development.
• Basic usage: 開発 changes in concrete scope according to whether the object is a product, technology, land, or ability.

2. Common pitfalls and similar expressions

• Scope set by the object developed
  • 開発した says development was carried out but does not automatically imply a successful launch.