Bar lines, or measure lines.
Middle C.
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Invisible line middle C
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Bisextor
There is a percussion clef, which is two short vertical lines at the beginning of the staff.
staff lines indicted pitch
They are called staff lines. Or just called a Staff. I am glad to help.
Those little lines above or below a music staff are called ledger lines.
bar line Sorry, bar lines separate music into repeating rhythmic patterns. The lines that extend the range of the staff are called ledger lines.
Bar lines divide the staff into measures
measures
Measures.
Divide it into equal parts with horizontal or vertical lines.
Bar lines divide the staff into measures
There is a percussion clef, which is two short vertical lines at the beginning of the staff.
imaginary vertical and horizontal lines used the divide the body into sections for descriptive purposes......
vertical lines across the body
The Groma was a vertical staff with a bracket at the top which attached two vertical cross bards placed at right angles. There were plumb lines at the ends of the two cross- bars. It allowed to survey right angles and vertical lines and, through this, calculate rectangles and squares.
Divide a vertical side into 8. Draw lines parallel to a horizontal side. You will have 8 horizontal strips.Divide a horizontal side into 8. Draw lines parallel to a vertical side. You will have 8 vertical strips.Divide the square in half horizontally, divide both halves horizontally and then divide them all vertically.Divide the square in half horizontally, divide both halves vertically and then divide them all vertically again.These are some. There are also methods involving diagonal divisions or L-shaped pieces.
Ledger lines can be used to extend the staff.
Non-vertical lines could be slanted or horizontal.