A more thorough explanation:

Definition: Instrumentality refers to a thing or means used to achieve a specific purpose or goal. It can also refer to an agency or branch of an organization that helps accomplish a function of another entity.

• A hammer is an instrumentality used to drive nails into wood.
• A computer is an instrumentality used to process data and perform various tasks.
• The police department is an instrumentality of the government that helps maintain law and order.
• A lawyer can be an instrumentality for a client to achieve justice in a legal matter.

The examples illustrate how instrumentalities are used to achieve specific goals or functions. A hammer is used to drive nails into wood, while a computer is used to process data and perform various tasks. The police department is an instrumentality of the government that helps maintain law and order, while a lawyer can be an instrumentality for a client to achieve justice in a legal matter.