This is the first easy solution after mostly 40 post.
The catch is, we have a brand new to electronics person struggling to come to terms with the concepts of electronics design and working with a single layer board.
Vias and double layer boards would solve all the problems, but the OP is not at that level yet.
Thatās what we suspect but OP never admitted to this. All the mentions of the word single are by others. XY problem, remember?
So instead flail around trying to cram most connections on one layer?
More like struggling to understand the different concepts between wires on schematics and tracks on boards.
This is still the big problem:
A few questions to answer members speculations, so we may give more help:
Are you new to electronic design and this sort of software?
Are you intending to use Through Hole Technology or Surface Mount Design?
Are you intending to use a single layer PCBoard?
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I donāt think double layers or vias are much of a huge progression beyond a single layer board . . . and stretching ones understanding is not a bad thing, challenges help us all learn faster.
I think the difference between the schematic and the PCB and how they are linked with a ratsnest are what the OP needs to get to grips with first.
The first PCB āCADā I every used, many, many years ago, EasyPCB, had schematics and ratsnests but I didnāt understand what the purpose of them was, it didnāt stop me designing a functional PCB but would have helped me get there quicker had I known.
Beyond amusing myself while drinking coffee, I donāt know why Iām bothering to postā¦
I canāt do most of my projects (single and double sided PCBās) without at least One Jumper.
Usually, I donāt bother with a Kicad schematic, I just draw them with pencil. But, sometimes I do make schematics.
Only reason I show Jumpers on Schematic is to clutter it up because actual usage of them is on the PCB as a result of having to place certain parts at certain positions (and, a schematic has No relationship on those positions).
That said, once getting to the point of laying out the PCB, you can simply use PADās (SMD or THT) to connect jumpers and if desired, can make Footprints of the Jumperā¦
It canāt be any clearer than an Imageā¦
OK, here is my solution:
First of, all, you do have a different understanding of a ājumperā, You should call that ābridgeā.
Now you draw your schematic, without thinking about how to route your tracks. Schematics finished, off you go with the layout. Now it is in the layout, that you realize that need to jump (I wanted to avoid that word) over some tracks. Click on that track, it gets highlited in the schematics. Cut that wire/connection in schematics and place a pad (or hole with a pad around it) at each end. Give both ends the same net name. Now schematics knows that there is a connection, but in Layout, that doesnāt make an unrouted air wire. Finish your layout and donāt forget to solder in that jumper ā¦ err ā¦ bridge.
HTH,
Nick
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It is possible that the nomenclature varies, but on the PCB:s of various mass produced equipment I have seen, where there have been these kinds of soldered in wires to get the trace over other traces, the common reference has been āJP1ā, āJP2ā etc. or possibly āJ1ā, āJ2ā etc.
I donāt remember to have seen āBR1ā or similar, even though I canāt exclude the possibility that it would exist.
There a 3 questions that @jmk has asked and once answered should help with this thread as Iām struggling to know what the problem is now. I think our OP hasnāt had any experience with this sort of work and Iām not going to read it all again, so Iām wondering if there are any recommendations for reading material that may help and I mean from the very concept of a PCB and up, perhaps this would help ? 
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The direction is called the development of power electronicsā¦ There are a lot of different jumpers and shunts
I think it would, I also think the following quote shows what the OP Is struggling with . . .
. . . I think the OP is expecting to draw the schematic like a PCB track layout and doesnāt yet grasp that that is not the way to do it.
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