Final answer:
The blank space at the edges of a page in a layout is known as the margin. Margins frame the content and contribute to balanced design and readability. The correct answer to the student's question is option 1) Margin.
Step-by-step explanation:
The term for the blank space at the left, right, top, and bottom of a page in a grid or any page layout is called a margin. Margins serve to frame the content and are used to ensure that the text has a structured appearance by maintaining a consistent space around the edges. In the book printing industry, this also plays a role due to the two-side rule that new parts or chapters start on right-side pages, often leaving empty (even-numbered) pages unprinted. Furthermore, just as in ancient times, scribes balanced the positive and negative space across pages, modern layout design also emphasizes the importance of margins and spacing to achieve visual balance and readability.