What's the real purpose for the ark of the covenant serve?

Why do I ask this? Well I've come to realize that most of the participants of this Q&A session don't really know much about the bible that they follow. As a matter of fact the average answer are just regurgitated rhetoric from the so called pastor,reverends,preachers,imans and rabbi. I've decided to put out a question and measure the responses to the question then give the answer. I