Take some time and read through the tutorials in the app found here: *Settings>Help
In OSX look under: Help/Tutorials and Help/Help & Support

Also these two threads are helpful:
Conventions
http://www.irealb.com/forums/showthr...&p=301#post301
*
Glossary
http://www.irealb.com/forums/showthr...&p=282#post282
)BOB