This is a very good and simple tutorial on Odoo project management features.
PATH is one the environment variables in Linux that stores the directories/paths in where the operation system is looking for executable files. It’s very similar in Windows. Note: For some reasons the current directory is not included in the
Recently I had to draw something more complex and was happy to find that Visio has extra features like Join, Trim, Union, etc. Most of them are in Developer tab which is not shown by default,so It has to be