The dimly faded character on the background of this page shows how it looks like originally.
Japanese people make it simpler.
Then, you imagine a snakey line of backpackers heading to somewhere in common. Some other documents, perhaps deriving from war-like areas and ages, say that it also refers to series of soldiers. We absolutely prefer the former interpretation. We are registered to InterNic as Forum Activities Group. At present, most of us are Japanese scholars intending to provide topics of academic interest in their own fields.