Purpose is to tell the browser what the content is all about.
<ABBR> Stands for Abbreviation
<ADDRESS> Defines the contact information for the author/owner of a document or an article.
<ARTICLE> Tells the browser that the content is independent and self-containted.
<ASIDE> Defines some content aside from the content it is placed in.
<CITE> Defines the title of a work (e.g. a book, a song, a movie, a TV show, a painting, a sculpture, etc.)
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.