I think tea bag is the main one that the majority use, which suprisingly the germans do too ?
The rest are pretty standardised imo.
We used numbers back in '04 for XBAll which worked well. For a year we've been using zone named codes for continuity and simplicity. After the first few weeks that it took to learn, they worked very well so we decided to keep them with our own twists, i.e Soho