Clarity for Business Event vs. Data Change Events

[tfrauenstein]

Discussion on Tech Exchange channel has shown that there is some uncertainty about
difference Business Events vs. Data Change Events, and guidance when to use it.
Guidelines should be improved to make clearer statements here -- see
https://groups.google.com/a/zalando.de/g/tech-exchange/c/q76CGcAbOB0/m/9R4p1kBrBAAJ (Zalando-internal link)

[ePaul]

From the meeting:
@tfrauenstein will read the thread again and decide whether we need to actually change anything here.

[tkrop]

@tfrauenstein came to the conclusion that no improvement is needed here. Uncertainty should be low enough for readers.