Answer: 2) To provide instruction for how the structure should look
4) To provide instruction for how the content should look
Step-by-step explanation:
HTML 5 is a hypertext markup language revision which basically provide the structure and content to the page. It is a standard programming which basically describe the content of the web page. It reduce the overall development time and it is faster.
In the remaining option, It does not provide any meaning as we cannot add structure directly we should use the CSS styling for the particular document.
Therefore, (2) and (4) option are correct.