OD- Open Day (walkin to leave your CV and pictures, open to everyone)
AD- Assesment Day ( Invitation from Emirates to attend a preliminary selection process, often after you put in an application online)
FI- Final Interview ( Once you make it past the Assesment Day)
GC- Golden Call ( Positive call from Emirates that you've been hired)
Cheers
Just read through all the previous posts; theres a wealth of information to glean off here
a lot of people have been kind enough to share their experience with us.
Cheers