markup
n. uncountablen. the special code added to a text file to tell a computer how to format or organize the data. It helps the computer understand which parts are headings, links, or bold text.
n. a set of symbols or tags applied to a document to indicate its logical structure or visual presentation. In computing, it distinguishes instructions for the processor from the actual content of the file.
The developer added some markup to the page to make the title bold.
Without the correct markup, the browser cannot distinguish between the navigation menu and the main body of the article.
Modern web development relies on semantic markup to ensure that screen readers and search engines can accurately interpret the hierarchy and purpose of different content blocks within a document.
Deverbal from mark up.
Often used as a modifier in compound nouns like 'markup language'.
the markups of the filethe markup in the fileIn its computing sense, the word is typically uncountable when referring to the code as a whole.