Final answer:
Moving forward to get a better view is termed as a 'Sight advance'. It is the act of moving forward to improve visual perspective and is not commonly used.
Step-by-step explanation:
If you move forward on the top of lines to get a better view, the correct term is Sight advance. None of the other options correctly describe this action. Line leap, Intersection push, and Creeping crawl do not typically relate to moving forward for a better view in a common context. Instead, Sight advance suggests progressing to secure an improved visual perspective. Keep in mind, this term is not widely used and may refer to a specific context or environment, such as theater or concert seating.