This is the 5th most frequent Russian word.
для
The Russian word "для" means "for" in English.
Used to indicate the purpose of an action, showing the reason or target of the purchase.
Я куплю торт для тебя.
I will buy a cake for you.
Indicates the intended audience for the item.
Эта книга для детей.
This book is for children.
Indicates the goal or motivation behind the lesson's creation.