the purpose of … is
このゲームの目的は画面にあるすべての爆弾を爆発させることです。
The objective of this game is to detonate all the bombs on the screen.
科学の目的は、しばしば言われてきた様に、理解する事ではなく、予見する事です。
The purpose of science, as has often been said, is not to understand, but to predict.
But what is the enemy’s purpose in raping the police inspector?
— ワン・バトル・アフター・アナザー (2025)
You understand the purpose of the meeting, don't you?
— M - Eine Stadt sucht einen Mörder (1931)
The purpose of the conclusion is to summarize the main points of the paper.