The lines formed around paragraphs are often referred to as "paragraph borders" or "text borders." These visual elements can enhance the presentation of text by providing separation or emphasis. In design contexts, they may be used to highlight important information or to create a visually appealing layout.
perpendicular.
meridians or lines of longitude
parallel lines
rope lines
parallel lines
perpendicular.
Vertically opposite.
When two pieces of fabric are sewn together a seam is formed.
echo
meridians or lines of longitude
The "ring of fire".
intersecting lines
If the question means, "What do you call the point where two lines cross?" The answer would be "intersection". Otherwise, I would call them 2 intersecting lines.
Light travels in straight lines that we call rays.
It is called a quatrain
parallel lines
you call intersecting lines that meet, just intersecting lines yolanda