If it sounds like writing, then your task is to rewrite it. Copywriting job is a matter of re-arranging words to make products and services sell better. It is a text form of salesmanship. However, there is a lot more to it than that. Your task as a copywriter is to sell not just to tell.
Copywriting is such a strategic creation of a text that delivers a relevant and compelling message to a customer or a prospect while at the same time paving the way for a sale.
The most prominent element for copywriting if it is going to work, it to move the audience; an audience varies in some way, it made of people of different junctures in how they are connected to the company. Thus, it includes people who are prospects, includes people who are leads, have some interest but are not ready to buy. It includes people who are already customers. It includes people who are not in the market for that product or service, but they know somebody who is. On the other hand, they are just well connected on a social site like Facebook and can spread the content to the person who is going to become a customer. Therefore, the copywriter has to do something for that audience. It has to move them in some way, and it starts with having to earn attention.
Every company's CEO thinks that that company's story is fascinating. It is the job of copywriter to make that story engaging to the audience. Therefore, you have to fight that attitude of entitlement and that idea that you are somehow entitled to anybody's attention.
Some topics such as dentistry, mechanical engineering or accounting would be considered boring, and not thrilling, the task of copywriter then is to move the audience through different practices such as sense of humor, storytelling or relying on problem solving and know how topics.