Done 3/4 are business class fares with 3 or 4 continents. 20 total flight numbers maximum, with 4 maximum within most continents. You can pay an extra fee to get up to 2 extra segments within a continent (still stuck at 20 maximum overall), so you could squeeze an extra hkg-bom in if you wanted.

I'm not as familiar with the DGLOBE34, but it's business class with 34,000 mile maximum. So this fare counts miles, while the other one counts flight numbers. They let you fly Air Pacific on this fare I think, which they don't on the OWE fares. I'm not sure if there is a restriction on multiple stops in a particular city on this one.