How to Say "fundamentals" in Spanish
The most common Spanish word for “fundamentals” is “abecé” — use 'abecé' to refer to the fundamental steps, basic rules, or essential knowledge needed to perform a task or understand a subject, often in a practical or introductory sense.
abecé
ah-beh-SAYa.beˈθe

Examples
Aprender a leer es el abecé de la educación.
Learning to read is the ABCs of education.
Saber encender el horno es el abecé de la cocina.
Knowing how to turn on the oven is the basics of cooking.
En este curso aprenderás el abecé del marketing digital.
In this course, you will learn the fundamentals of digital marketing.
Conocer a tu cliente es el abecé para cualquier negocio.
Knowing your customer is the basics for any business.
Always Singular
Even when you are talking about many 'basic steps,' you usually keep the word in the singular form: 'el abecé'.
Pluralization
Mistake: “Saying 'los abecés' when you mean 'the basics'.”
Correction: Stay with 'el abecé' when you mean 'the core basics' of a single subject.
principios
preen-SEE-pee-ohspɾinˈθipjos

Examples
Los principios de la física explican cómo funciona el universo.
The principles of physics explain how the universe works.
Es un hombre de firmes principios.
He is a man of firm principles.
Su decisión va en contra de todos mis principios.
Their decision goes against all my values.
Debemos aprender los principios básicos de la programación.
We must learn the basic fundamentals of programming.
Always Plural for Ethics
When talking about a person’s moral code or values, 'principios' is almost always used in the plural form.
Confusing Singular and Plural Meanings
Mistake: “El principio de la física. (Using singular when referring to multiple fundamentals.)”
Correction: Los principios de la física. (Use plural when referring to the established rules of a system.)
Abecé vs. Principios
Related Translations
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