Make "point intersection curves" tools define lengths

Unlike splines (curves) - which use the naming scheme of Spl_ [1st point] _ [2nd point] - arcs have no end points. They are described by Arc_ [center point]_ [unique num]. But there’s no issue in the names that I’m seeing… what I’m more interested in is why in some cases only the full arc length and one segment length(the 1st one?) show in the Edit Formula dialog, while all 3 lengths show in the Table of Variables?

What I’m even more baffled at - and this is also an existing problem using the vtoolpointofintersectionarcs tool… if you have an arc of 360 degs (a circle) , and intersect it with another curve or axis there is still only 1 arc segment. So why does the program show 3 segments? And how is it coming up with the 3 segment lengths? In the example below there is an arc of 360 deg intersecting with a curve at A3…

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