Meaning of the word "key to success" in English

What does "key to success" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

key to success

US /kiː tuː səkˈses/
UK /kiː tuː səkˈses/
"key to success" picture

Idiom

the most important factor or action required to achieve a desired outcome

Example:
Hard work is the key to success in any career.
Consistency is often the key to success when learning a new language.