HTML
- HTML stands for Hypertext Markup Language.
- It is used to create structure and layout of web pages.
- It defines basic structure of web pages and contains meta-data about the page.
- It consist of a series of elements.
- We can save html files using two ways. file extension .html or .htm
META-DATA
- Metadata means data about data.
- It is data that provides information about other data, offering context and meaning to raw information.
ELEMENT
- Each element requires starting tag and ending tag with content inside it.
MARKUP LANGUAGE
- A markup language is a system of annotating a document to describe its structure and presentation.
- Markup languages are used to structure, format, or define relationships between different parts of text documents with the help of tags inserted in the document.
- It uses tags or codes to define elements such as headings, paragraphs, lists, images, links, and more.
- More readable than usual programming. Example: HTML, XML, XHTML, SGML
FILE EXTENSION
- A file extension is a suffix at the end of a computer filename.
- It usually three or four letters preceded by a dot.
- That identifies the file type and indicates which application should open it. Example: .pdf, .txt, .jpg, .java, .html, .css
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