Purpose and Components

Many of the world’s major global companies have adopted OKR into the framework of their operations.
It’s a methodology that has proven to yield successful results for any company in any industry, serving thousands of companies of all kinds and sizes since the 1970s. But out of the oceans of information out there on the internet about how to write, implement and make the most of your OKR, no one has really answered the most basic question just yet. What is the actual purpose of the OKR method?