What is the meaning of markup in HTML?

The sequence of characters or other symbols which we usually use to insert at certain places in a word or text file in order to indicate how the file should look when it is displayed or printed or Basically to describe documents logical structure. The markup indicators are often known as tags. Elements and tags are two different words which we need to understand as there is a lot of confusion among public related to this fact. It must be noted that HTML documents contain tags, but do not contain the elements. It is a wide misconception that usually occurs in mind that both exist in HTML documents.elements are usually only generated after parsing step from these tags.