Usage of whereby

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi,

I would like to know the usage of whereby. where and How it is used… Is it used when we talk about arrangements or processes?

2

Whereby can be used instead of by means of or through which.
Example:
Learning a language is a process whereby new vocabulary and grammar structures are acquired.[YSaerTTEW443543]

TOEIC listening, photographs: A stork nest[YSaerTTEW443543]