I haven't had time to read the articles, but I certainly will!
My method is.. well, it starts out with an idea, a subject, and I usually write a line or two that summarizes the point I'm trying to make, mostly to remember it. I really don't have a method, but I might come up with somewhere to start, and I write a verse. After that I write what I could call a bad chorus, or maybe a bridge, and then another verse comes out.
After that I have a theme and sometimes a couple of parts that I like, but I can't finish the song. I'm out of ideas and don't know what there is to be added.
An example of something I wrote a while back, where the first part is suppose to be a verse, and the second part is a chorus.
Another piece of something, verse, chorus and bridge: