element defines a section in a document.. In its broader sense, semantics is the study of meaning. Ex: That bachelor is pregnant. According to W3C's HTML documentation: "A section is a thematic grouping of content, typically with a heading." Elements such as <header>, <footer> and <article> are all considered semantic because they accurately describe the purpose of the element and the type of content that is inside } With the introduction in 2014 of the new HTML5 semantics elements (