development vs life in Korean
발전vs생명

발전development
Development (발전) means growth, progress, or becoming better over time. People use it for cities, technology, countries, or a person's skills. In nature topics, it can also talk about how places change as people build more.
When to use development
생명life
Life means being alive, and it can also mean living things in nature. In Korean, 생명 is used when talking about animals, plants, people, and the idea that life is precious. You can use it in simple sentences about nature, health, and protecting living things.
When to use lifeHow they differ
생명 means life or a living thing itself. 발전 means change toward something more advanced or better over time.