it is either called a paragraph or verse.
They are called acters on a set and say lines (see lines on a set)
What is the surface included within a set of lines called?
its called a grid.
Depending on the measurement of the angles they form it could be a perpendicular set, or they would be called askew lines.
staff A set of musical lines is called a staff or musical staff; more than one set; i.e. plural , would be staves. A set of musical lines is called a staff or musical staff; more than one set; i.e. plural , would be staves.
trapezoid
Parallel lines are line that don't intersect like the equal sign = .
There isn't a name...they're just called a pair of parallel lines.
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.
Trapezium
a transversal
Consistent rhythm combined with lines of a set length is called music.