Which of the Following Is True of Internal Spacing

Multiple Choice

Which of the following is true of internal spacing?

A) It is the white space on a page used to emphasize elements.
B) It refers to both vertical and horizontal spacing of text.
C) Vertical internal spacing should always be equal to 1/6 inch.
D) It is a set ratio that cannot be altered.
E) It is primarily used to help readers identify where they are in a document.