abc

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Definition

Noun 1. The elementary stages or basic principles of a subject: This term refers to the most fundamental and introductory concepts or skills in a particular field of study or activity. It is almost always used in its plural form ("ABCs" or "ABC's").

Usage

The word "ABC" in this sense is a countable noun, typically pluralized. It is used to denote the foundational knowledge one must learn first.

Examples
Advanced Usage
  • "The ABC of [something]": A common phrase used to title introductory guides or to refer to the core principles.
    • This manual is titled "The ABC of Car Maintenance".
  • "Know one's ABCs": An idiom meaning to know the basics or fundamentals of something.
    • Any good manager should know his ABCs of finance.
Variants and Related Words
  • ABCs / ABC's (n., pl.): The standard plural form of the word in this context.
  • Rudiments (n., pl.): A direct synonym, meaning the first principles or elements of a subject.
Synonyms
  • Basics
  • Fundamentals
  • Essentials
  • Principles
  • Elements
Related Idioms
  • "As easy as ABC": Used to describe something that is very simple or easy to understand.
    • Using this new software is as easy as ABC.
Noun
  1. the elementary stages of any subject (usually plural)
    • he mastered only the rudiments of geometry

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