article - This tag defines an article.
aside - It defines content other than the page content.
bdi - This tag isolates a part of text for formatting.
command - It defines a command button to be invoked by the user.
details - It defines additional details that can be viewed .
dialog - It defines a dialog box.
figure - This tag specifies content like illustrations, diagrams, photos, code listings etc.
figcaption - It is used to provide a caption for a figure element .
footer - This tag defines a footer for a document or section.
header - This tag is used to define a header for a document .
hgroup - When there are multiple levels in a heading, it groups a set of h1 to h6 elements.
mark - It defines highlighted text.
meter - It defines a scalar measurement within a known range.
nav - It defines links for navigation.
progress - This tag exhibits the progress of a task.
ruby - It defines a ruby annotation for East Asian typography.
rt - It defines an explanation/pronunciation of characters for East Asian typography.
rp - This tag tells the system what to display in browsers that do not support ruby annotations.
section - It defines a section in a document.
summary - It provides a visible heading for a details element.
time - This tag defines a date/time.
wbr - This tag defines a line-break.
