I’d appreciate any advise on my portfolio - starting back after 5 years

The subject matter is very scattered, I think if you figure out a clear and concise concept it will force you to work within a set of rules.  A good portfolio has a clear idea that people can see your expertise shine.  Your current portfolio has many different styles mixed together, kind of like a "greatest hits" album.  Potential clients and viewers will want to see that you can do something really well, like have one portfolio of B&W portraits, one portfolio of color and so on and so forth.  The compositions are executed well, with a few color corrections and contrast changes that can be easily done in Lightroom or photoshop. Just keep shooting and think about one subject you really care about, and shoot that until you've exhausted all the possibilities.  Then shoot some more