etiquette是什么意思？

I think it will be very interesting to see what etiquette (礼仪) emerges in terms of whether you tell people you have a camera or not, and whether guests have a right to ask that it be tuned off, if it's not a security issue.

We've surveyed business communication consultants and etiquette experts to come up with the following guidelines for effectively using the alternative ways of delivering difficult messages.

The impolite act violates the basic rules of etiquette.