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

In digital marketing, a keyword is a word or phrase that users input on search engine sites when they are trying to find a certain service, product or information. SEO heavily relies on the use of these keywords in ranking websites.

The power behind SEO keywords lies in their ability to link what users are searching for to the content that you’re offering on your website. Wisely using these keywords will help draw the right audience and improve the likelihood of leads.

Having established what we mean by the term of an SEO keyword, let's look at the efficient use of keywords. Enhancing the use of keywords requires a balance. You want to include relevant keywords to get the attention of search engines but not overly saturate your content with them.

One way is to place the keyword in your content’s headline. This not only helps in ranking, but also makes your content more relevant to the searcher's query. You should also think about using keywords in the metadata and headings of your website, as these are points where search engines tend to look.

Additionally, it's important to choose keywords that resonate with your targeted market. This implies understanding their lingo, their search behaviors and their wants.

To sum up, a well-chosen SEO keyword can be a connection between the user's query and your online content. It's a essential tool to be successful in the aggressive world of digital marketing. However, success hinges on its effective and balanced use.