Final answer:
In paragraph formatting, spacing is typically measured in lines and can vary depending on the style guide being followed, such as double spacing for MLA and no indentation for business block formatting. Adjustments can be made in word processing software like Microsoft Word, and formatting choices such as paragraph indentation and spacing impact readability.
Step-by-step explanation:
The spacing before and after paragraphs, specifically in bullet levels, is an important aspect of document formatting. The spacing is typically measured in lines. For example, in block formatting which is common in business communications, paragraphs should start at the left margin and be single spaced, with double spacing between paragraphs. In academic writing, following the MLA format, paragraphs are also double-spaced and indented one-half inch from the left margin. No additional space is added after paragraphs unless specified by the particular style being used. Paragraph indentation serves to signal a new beginning while appropriate spacing ensures readability and visual appeal.
In tools like Microsoft Word, settings for paragraph spacing can be adjusted in the Paragraph menu, where you can select the 'Hanging' option for indentation or set specific spacing options for before and after paragraphs. It's also important to pay attention to other small details such as rhyme, italics, and text space which can hold significant implications for the overall presentation of the text.