What I have learned about HTML.
HTML - HyperTextMarkUp Language
Is a language used to crate web pages, which are viewed on the browser.
Tags defines how your webpage must be formated. In which we have an open and close tag in each an every element we want to use.
Attributes/Values defines a property for an element and it appears within the elements start tag, used to provide additional information about html elements.
<!DOCTYPE> Declaration defines the document type.
Defines an htlm document.
Defines information about the document.
Defines the document title.
<body> Defines the body element.
<style> Defines a style definition.
<h1>(important) to <h6>(least) Defines header 1 to header 6.
<p> Defines a paragraph.
<ol> Defines an ordered list.
<ul> Defines an unordered list.
<span> Defines a section in a document.
<img>(image) Defines an image.
scr(source), alt(alternative text), width and height Its <img> attributes.
<section> Defines a section.
<nav> Defines navigation links.
<li> Defines a list of items.
<a> Defines a resource reference
href(hyperText Reference) Its an attribute for which indicates the link target on <link> and <a> tag.
<b> Defines bold text.
<br> Inserts a single line break.
<button> Defines a push button.
<center> Used to center align text or document.
<col> attribute for table column.
<div> Defines a section in a document.
<em> Defines emphasized text.
<font> Used to define font size,color and text.
<hr> Defines a horizotal line.
<i> Defines italic text.
<input> Defines an input text.
<strong> Defines strong text.
<footer> used to define a footer for a section or page.
<!--...--> Defines a comment.
</style></body>