Html is a markup language that web browsers use to interpret and compose text, images, and other material into visual or audible web pages. Default characteristics for every item of html markup are defined in the browser, and these characteristics can be altered or enhanced by the web page designers additional use of css.
In most cases, you will want the first row of the table to be displayed as headings or labels for each table column.
HTML th tag W3Schools
Attribute value description abbr text specifies an abbreviated version of the content in a header cell colspan number specifies the number of columns a header cell should span.
Html is the standard markup language for creating web pages html describes the structure of a web page html consists of a series of elements html.