You can use the TokenScript Viewer to see the major parts in a TokenScript file.
Here is the instruction:
- 
Check your dependency. On OS X everything needed is shipped. On Ubuntu, you need to install 3 packages: tcl, tk, tdom at the outset. 
- 
Clone it to get the source code: 
$ git clone https://github.com/AlphaWallet/TokenScript-Viewer
- Go to src directory and run ./tsviewer.tcl
$ cd src src$ ./tsviewer.tcl
You should see a new window, use "File -> Open" to open a tokenscript file (signed or unsigned doesn't matter). You will get something like this:
