FMGC - Abeam Function
Lets say you are routing:
GOL > LUKOV > RESLA > Dolap and ATC clear you direct to DOLAP.
You enter Direct DOLAP in the FMGC and you are given 2 options:
1) Direct to DOLAP.
2) Direct to DOLAP with abeams.
If you select the 2nd option with abeams you will get what you see on the Arc display.
ABGOL
ABLUKOV
ABRESLA
DOLAP
The AB standing for Abeam.
Yes the A330 can make FL400 depending on weight & OAT.