The word processing task associated with changing the appearance of a document is
The word processing task associated with changing the appearance of a document is Formatting.
Word sports five different types of styles, each customized to format a different document element in Word: Paragraph: The paragraph style contains both paragraph and text formatting attributes: indents, tabs, font, text size you name it. It's the most common type of style.
A paragraph in Word is any text that ends with a hard return. You insert a hard return anytime you press the Enter key. Paragraph formatting lets you control the appearance if individual paragraphs. For example, you can change the alignment of text from left to center or the spacing between lines form single to double.