Content marketing is more than just, let's write an ebook and toss it on our website. To get the value from your content marketing efforts you must generate leads. To get leads you need traffic...then you need that traffic to convert. On a high level the biggest things involved are blogs, CTAs, landing pages, forms, email, and of course the content marketing offer itself. Blogs help to attract the visitors, CTAs direct those visitors to landing pages, the landing pages "sell" the offer, the forms collect information, and your emails nurture those leads until they become sales.
Here's a visual representation of that process!