かねkaneかなkanaかねkaneかねkaneかねkane
1.

A precious metal known for its yellow luster, valued since ancient times for use in jewelry and currency, distinguished by its chemical stability and malleability.

2.

The concept of financial resources or currency, encompassing the means by which goods and services are exchanged and wealth is accumulated.

3.

A term that reflects the significance of monetary influence in societal interactions, indicating how financial wealth can determine relationships and power dynamics.

4.

An element symbolizing not just physical currency, but also the broader implications of economic value and societal status in various contexts.

5.

A metaphorical representation of a resource that is constantly in circulation, reminding that financial fortunes can fluctuate over time, affecting individuals and their fortunes.

Example:

の切れ目が縁の切れ目。

てつtetsuてつtetsu
1.

A metallic element known for its hardness and strength, widely utilized in construction, shipbuilding, machinery, and household items; it is an essential component of numerous alloys and plays a crucial role in industrial applications.

2.

Represents something that is unyielding and firm, suggesting resilience and durability in various contexts, such as willpower or barriers.

3.

A term that serves as an abbreviation for railroads, often used in discussions about transportation systems.

Example:

は最も有用な金属です。

こうてつ鋼鉄koutetsu
1.

A type of iron that has undergone processing to reduce its carbon content and increase its strength through forging, often used in construction, machinery, and various tools due to its durability and versatility.

2.

A metaphorical term describing qualities of resilience and unwavering determination, exemplified in expressions like "the will of steel."

Example:

コンクリートは中に鋼鉄の棒を入れる事で補強される。

てつせい鉄製tetsuseiてっせい鉄製tessei
1.

Referring to objects or structures that are constructed using iron as the primary material, highlighting the durability and strength associated with iron products.

2.

Describing an item that is produced from iron, indicating both the composition and the potential industrial or functional qualities attributed to iron-made goods.

Example:

この橋は鉄製です。

hikiがねganeひきがね引鉄hikigane
1.

The mechanism on firearms such as rifles and pistols that initiates the discharge of a bullet when pulled by the finger.

2.

A figurative term referring to a specific event or factor that directly causes or sets into motion a series of subsequent events or actions.

Example:

その男はピストルを額にあて、引き金を引いた。