This is the 553rd most frequent Hindi word.
online
Connected to or available through the internet.
Here, 'online' is used as an adverb describing the method of purchase through the internet.
मैंने यह पुस्तक ऑनलाइन खरीदी।
I purchased this book online.
Here, 'online' is used as an adverb describing the manner of working connected via the internet.
ऑनलाइन कार्य करने से समय की बचत होती है।
Working online saves time.
In this sentence, 'online' serves as an adjective describing the type of class conducted via the internet.