Texarea is used to create text box for user input like message or any text.
<form>
<textarea>Any message</textarea>
</form>
You can use textarea any where within an HTML document.
You can give input to textarea by direct writting message betwwen open and close tag like <textarea>message</textarea> or like above in example.
Textarea is pair tag and output of textarea is text box 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 textarea is non empty element which means it always comes in pair.