A "Section" in HTML5
In HTML5, The <section> tag is used for grouping other contents or tags such as headers, footers, and nested sections of the document... You can visit our HTML5 <section> full tutorial by just clicking here.
An "Article" in HTML5
On the other hand, The <article> tag is used to show short information about an article, blog, comment, news story with image, a heading, time & date, and who is the person writing that blog... You can visit our HTML5 <article> full tutorial by just clicking here.