Italic is a formatting element used to make font italic ,italic text is face down text like italic, italic text or content has no any extra importance.
<i>Content</i>
Or
<tag><i>Content</i></tag>
You can apply italic element to any element and use any where within a HTML document.
Italic is a pair tag and output of italic element is face down text like you can see in above example.
Open notepad or any other text editor, follow the following points.
save file with name task.html or task.htm and then open it using any browser and see results.
Don't forget italic is less important element than Emphasized Element