What Is the Meaning of “Key Idea”?

Vocabulary / By

A “key idea” is the central focus of a concept. This can involve and encompass a host of topics that range from business strategies to planning a storyline for a novel. There are many applications in which to use the phrase and there are several synonyms.

Whenever there’s a “key idea” involved, it usually means there are supporting concepts. These sub-ideas flesh out details, deepen understanding of the idea and provide clarity.

Technical Definition of “Key Idea”

To further comprehend the meaning of “key idea,” it’s important to define each word in the phrase on its own merit.

An “idea” is a noun that means a thought, inspiration, philosophy, or other such intangible processes from the brain. These usually come to a person in the form of a visualization or mental picture. A “key,” in this context, is an adjective indicating that the noun after it is of crucial importance.

Ergo, a “key idea” is a thought of crucial importance. Without this main concept, no others after it would exist. Consider the following examples:

The key idea is to learn as much about Korean skincare as possible.

Marty’s new book is full of adventure and danger but the key idea concerns human compassion.

There are several key ideas involving the new construction project.

Synonyms for “Key Idea”

Of course, when writing or speaking, it’s a good idea to have some variation on how to say “key idea.” It will prevent repetitiveness and enrich your understanding of the phrase even more.

  • Main focus
  • Central thought
  • Core inspiration
  • Primary theme
  • Fundamental idea
  • Chief notion
  • Basic approach

Also, you can mix and match the words above, you don’t have to use those strictly as synonyms. For instance:

  • Main approach
  • Basic Inspiration
  • Core theme
  • Central focus
  • Fundamental notion

Any of the synonyms will work to replace “key idea” effectively and still mean the same thing.

The main approach is to learn as much about Korean skincare as possible.

Marty’s new book is full of adventure and danger but the primary theme concerns human compassion.

There are several fundamental notions involving the new construction project.

Conclusion

“Key idea” means a thought that is at the core of any project, undertaking, or process. This can involve a plethora of pursuits and activities. It can be the foundation of a book or the inspiration for a piece of art.

 

Conor
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