Definition: The word "HTMLDefinition.php" refers to a PHP file that defines the structure and content of an HTML page, helping developers create precise, semantic web pages using PHP. In this context, the goal is to enable developers to easily access and modify the structure of an HTML document by adding and removing elements. The file allows for customization through predefined HTML tags, allowing developers to create more intricate HTML documents with higher-level structures. For instance: ```php ``` In this example, the PHP code defines the `echo` statement as a basic HTML tag that outputs "Hello World!". This can be used by any developer to build and manipulate web pages.
closed bracket.
what should be said.