This refers to a series of characters that is used to help narrow down and specify the search terms when using a search engine. This will help bring out more relevant results that will help users get the necessary content.
Sean Si is a Filipino motivational speaker and a Leadership Speaker in the Philippines. He is the head honcho and editor-in-chief of SEO Hacker. He does SEO Services for companies in the Philippines and Abroad. Connect with him at Facebook, LinkedIn or Twitter. Check out his new project, Aquascape Philippines