Does anyone know what this curved line is called that connect the two(04)

Image attachment from: What Does A Curved Line Mean In Music?
Does anyone know what this curved line is called that connect the two(04)

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theory Curved line that connects treble staff and bass staff MusicI've never seen this little curved line after the note. What does itPlease help me out. What does that curved line mean? r/saxophoneHow would you interpret the curved lines connecting the same notes? rDoes anyone know what this curved line is called that connect the twonotation What does the symbol with a squiggly line mean? Music