SEO keywords play a pivotal role in enhancing your visibility online. However, let's delve deeper and understand, what exactly is a keyword in SEO.

In internet marketing, a keyword is a particular term or expression that users input on search engine sites when they are trying to find a unique service, product or information. Search engine optimization (SEO) heavily depends on the use of these keywords to position websites.

The magic behind SEO keywords lies in their ability to relate what users are searching for to the content that your website is providing. Effectively using these keywords will help lure the right audience and improve the likelihood of sales.

Having established the explanation of an SEO keyword, let's look at the ways to effectively use keywords. Enhancing the use of keywords calls for a balance. You'd want to include relevant keywords to get the attention of search engines but without stuffing your content with them.

One here way is to place the keyword in your content’s headline. This not only helps in ranking, but also makes your content more likely to be relevant to the searcher's query. Consider also using keywords in the meta description and headers of your website, as these are areas where search engines often look.

Additionally, it's important to choose keywords that resonate with your targeted market. This signifies understanding how they communicate, their internet search habits and their requirements.

To conclude, a well-chosen SEO keyword can act as a bridge between the user's query and your online content. It's a vital tool for success in the aggressive world of digital marketing. However, its full potential can only be unlocked when used correctly.