Session files always begins with the *Id() statement which is followed by statements grouped in blocks.  Each block begins with a *Begin() statement, such as *BeginPage(), *BeginWindow(), *BeginDefinitions() , and *BeginPlot() and ends with a corresponding *End() statement, such as *EndPage(), *EndWindow(), *EndDefinitions() and *EndPlot().  The four principal blocks in the session file are:

Each of these parent blocks contain sub-blocks which further define the working session.  When a session file is saved in the program, sub-blocks are indented within parent blocks.

 

See also

Session Files