основа

In a sentence

• Тази идея беше основа за нашия проект.

  This idea was the basis for our project.

  Here, "основа" is used as a noun meaning "basis" or "foundation" of something, emphasizing its role as a fundamental supporting element.

• Къщата е построена върху здрава основа.

  The house is built upon a solid foundation.

  In this sentence, "основа" refers to the literal foundation of a physical structure, a base providing stability.

• Успешното обучение се гради на основа от добри навици.

  Successful learning builds upon a foundation of good habits.

  Here, "основа" metaphorically describes the underlying fundamental habits that support successful learning.