Banking software also use this type of codes to reach different functions: post a cheque, take a draft, print an account statement, update customer record, loan balance/amortisation/payback history; in short, they do everything with short 3-4-5 letter keywords. This type of system has very high learning curve ("Hey Alex, what's the keyword for locker rent arrears list?"); but it is a joy to watch competent people operate the program to get things done.
Many business software also work this way (SAP ERP/Oracle Financials), but none of them are likely to be as fast as Bloomberg though. AutoCAD also has some commands like this (like Emacs'/Vim's ex/M-x prompt? ":"/"M-x"). I wish other consumer software also allowed access to screens/dialog boxes and functions in this direct manner without having to click menus and buttons a thousand times.
bloomberg has a history of muscling in on post-trade services with various degrees of success.
I doubt food delivery falls within their expertise or even scope of compliance, in the same way you still can't buy flight tickets from fly<go>, but if they want to do it, if they ever do, seamless has no choice but to take them seriously.
Can you ... can you order takeout from a Bloomberg terminal?