Keywords in SEO play a pivotal role in raising your online visibility. So what exactly is an keyword in SEO? Let's break it down.

In online advertising, a keyword is a word or phrase that users input on search engine sites when they are looking for a unique service, product or information. Search engine optimization (SEO) heavily relies on the use of these keywords in ranking websites.

The power behind SEO keywords lies in their ability to associate what users are searching for to the content that your website offers. Wisely using these keywords will help draw the right audience and improve the likelihood of conversions.

Having established the concept of an SEO keyword, let's look at the efficient use of keywords. Enhancing the use of keywords calls for a balance. You will want to include relevant keywords to appeal to search algorithms but not overly saturate your content with them.

One way is placing the keyword in your content’s headline. This not only helps in optimization, but website also makes your content more likely to be relevant to the searcher's query. Next, consider using keywords in the meta description and headers of your website, as these are spots where search engines tend to look.

Furthermore, it's crucial to choose keywords that align with your audience. It means understanding how they communicate, their internet search habits and their wants.

To conclude, a well-chosen SEO keyword can be a connection between what a person is looking for and the service or information you provide. It's a essential tool for success in the aggressive world of digital marketing. However, the best results can only be achieved by using it effectively and responsibly.