A group of lines is often referred to as a "set of lines" or "collection of lines." In specific contexts, such as geometry, a group of parallel lines may be called a "parallel line set." In art or design, it might simply be described as a "series of lines." Each term can vary based on the context in which the lines are being discussed.
The rock group that sings lay it on the line is called Triumph.
A Convoy
A group of mountains are called mountain ranges.
I believe it is called a range, especially if they are in a line.
A line is a group of points on a straight path that extends to infinity
A group of people walking in a straight line, one behind the other, is to walk in single file.
It is called gerrymandering.
A group of flags is known as bunting.
None! They r called Metalloid.
Humans call it a consensus. In Psychology it is called Group Polarization
The measuring line is one of a group of symbols -- or keys -- used in mapping to provide rich information using small and accessible icons.Specifically, this line is called the scale.
A group of shops all owned by one company is called a chain.