Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search results. wikipedia.org

Google Analytics (GA) is a free service offered by Google that generates detailed statistics about the visitors to a website. wikipedia.org

Content strategy refers to the planning, development, and management of content, written or in other media. wikipedia.org

Digital marketing is an umbrella term for the marketing of products or services using digital technologies, mainly on the Internet, but also including mobile phones, display advertising, and any other digital medium. wikipedia.org

Keyword research is a practice used by search engine optimization professionals to find and research actual search terms people enter into the search engines when conducting a search. wikipedia.org

Backlinks, also known as incoming links, inbound links, inlinks, and inward links, are incoming links to a website or web page. wikipedia.org

Content marketing is a form of marketing focused on creating, publishing and distributing content for a targeted audience online. wikipedia.org

An SEO audit is an assessment to determine whether or not adjustments need to be made to a site from SEO perspective.