Solution: A  element (used to color a part of a text) is still used in HTML5. Elements like vlink, marginwidth and compact has been removed in HTML5, which were part of HTML markup. In earlier they have been deprecated.

Solution: An article tag is semantic element newly introduced in HTML5 along with nav and audio. Frameset was already introduced in HTML markup used to divide window/web page in frames.

Solution: Command tag specifies a command provided with action. When one want to provide parentheses around ruby text, rp tag is used. The accesskey attribute specifies a shortcut key to activate/focus an element. Data-X stores data.

Solution: Data-X element consist of data. The mark element indicates highlighted/marked text. The header element represents a container for introductory content or a set of navigational links.

Solution: Itemscope is a boolean global attribute that defines the scope of associated metadata. The itemscope attribute creates a new item, a group of name-value pairs. The URL of vocabulary is specified by itemtype global attribute. List of element ID’s is provided by itemref.

Solution: The aside tag contains data related to its surrounding. 
 is result of anything. The figure tag specifies self-contained content, like illustrations, diagrams, photos, code listings, etc. Additional details that someone wants to know or hide as per demand are provided by details element.

Solution: Sections in document is made by the section tag. The class attribute specifies one or more class names to HTML. An article element is semantic element and it contains a standalone piece of content that would make sense if syndicated as an RSS item, for example a news item.

Solution: Section element is used to make sections in document. The copyright/footer information is provided by footer element in HTML5. A header for document section is given by header element. The header tag is used to contain the header content of a site.

Solution:  tag defines the title of work. The class attribute specifies one or more class names to HTML. An article tag is similar to 
 or 
 which contains information. The aside tag defines a block of content that is related to the main content around it, but not central to the flow of it.

Solution: The nav element is for marking up the navigation links or other constructs (eg a search form) that will take you to different pages of the current site, or different areas of the current page. Header contains section of headings. Section element is used to make sections in document. The aside tag defines a block of content that is related to the main content around it, but not central to the flow of it.