There are many ways to arrange or wind wires, or run PCB traces, and good reasons to use, or to avoid them. By researching and following the best technique for your application, you will save time and reduce frustration. Here is a list of several methods and a comment about their use: 

• Bifilar- A twisted pair winding. When one wire is used for the primary and the other for the secondary, very tight magnetic coupling occurs at the expense of reduced isolation. When both wires are connected at the ends, RF conductivity is improved due to the larger outer surface or skin area.
• Litz- a multifilar method with many connected wires bundled and twisted into a single rope-like strand. RF conductivity is greatly improved due to the larger outer surface or skin area. The chaotic currents and heating effects of imposing high magnetic fields on the wires (proximity effect) is reduced. 
• Serpentine- This is a technique of snaking the wiring back and forth. It is often used to reduce EMC issues for excess cabling. Serpentine wiring is used to improve field patterns in superconducting magnets.
• Figure 8- a serpentine method to bundle excess cables for EMC considerations. 
• Sectional- creating an insulated gap between groups of windings can be used to improve dielectric breakdown, and reduce capacitive coupling.
• Ayrton-Perry- this winding pattern has both low inductance, and low capacitance which makes it great for winding power resistors. 
• Basket- used for RF coils requiring high number of turns with low parasitic capacitance and reduced proximity effects.