ABCs

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Definition

Noun (usually used in plural form: the ABCs) The most basic, fundamental facts, principles, or skills of a subject; the essential introductory knowledge required to understand or begin learning something.

Usage

The word "ABCs" is used to describe the foundational elements or first principles of any field, topic, or activity. It is almost always preceded by the definite article "the" and often followed by "of" to specify the subject area.

Examples
Advanced Usage
  • "the ABCs of something": This is the standard construction to specify the subject matter.
    • The workshop covered the ABCs of public speaking.
  • Figurative Extension: The term can be used more broadly to refer to the basic rules or code of conduct for a situation.
    • He doesn't even understand the ABCs of polite conversation.
Variants and Related Words
  • ABC (noun): Can be used synonymously with "ABCs" in the same context, though "ABCs" is more common for this meaning.
    • Let me explain the ABC of how this machine works.
  • Rudiments (noun): A more formal synonym for the basic principles of a subject.
  • Basics (noun): A common, direct synonym.
  • Fundamentals (noun): Emphasizes the core, essential nature of the knowledge.
Synonyms

basics, fundamentals, essentials, rudiments, first principles, groundwork, foundation, elements.

Related Idioms
  • "to know your ABCs": Literally, to know the alphabet. Figuratively, to know the basics of a subject.
    • Any competent journalist should know their ABCs of fact-checking.
Noun
  1. the elementary stages of any subject (usually plural)
    • he mastered only the rudiments of geometry

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