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A chemical element, which is a fundamental substance that cannot be broken down into simpler substances by chemical means. It refers to the basic building blocks of matter listed on the periodic table.

The principal amount of money, which is the original sum invested or borrowed before interest is added. It is the base amount used to calculate interest and is distinct from profits or fees.

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

A fundamental and sudden change in political power or social structure, often involving a shift in governance. It also refers to a major, transformative shift in technology, thought, or a specific field that completely alters how things are done.

The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.