This is the 7727th most frequent Korean word.
플랫폼이다
"플랫폼이다" means "to be a platform."
Here, '플랫폼이다' refers to a structured interface designed for educational purposes.
이 앱은 교육 플랫폼이다.
This app is an educational platform.
In this case, '플랫폼이다' denotes an entity providing technological solutions and infrastructures.
그 기업은 기술 플랫폼이다.
That company is a technology platform.
The term '플랫폼이다' refers here to a web service where items can be sold.