Ko te ara kei waenganui i ētahi pūwāhi e rua. He torotika ētahi rārangi, he kōpikopiko ētahi. He ahu-tahi te rārangi, ka taea tōna roa te ine, engari karekau he whānuitanga o te rārangi.
A pathway between two points. Lines can be straight or curved. A line is one dimensional, its length can be measured but it has no width.