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The action of putting something into operation or use, especially a rule, law, or theory.

The main subject, theme, or topic of a discussion, book, or piece of art. It is the central idea that everything else revolves around.

A sign or signal that shows the condition or existence of something. In academic and economic contexts, it refers to a quantitative measure used to assess status or progress.

The rate at which something occurs or is repeated over a particular period of time or in a given sample.

A basic structure underlying a system, concept, or text; a framework.

A brief summary or general outline of something; the main points without detail.

The changes or transitions in something over a long period; vicissitudes or historical evolution.

The act of overcoming a difficulty, weakness, or obstacle through effort and determination.

Remarkable, striking, or considerable. It is used to describe changes or differences that are very obvious and significant.

A quality or feature that is typical of a particular person, place, or thing.