The African American church still maintains this practice of an extended worship day with longer services and sermons than most other religious.
Meetings etiquette it includes arriving on time, giving notices if arriving late and cancelling if you cannot make it and always apologize for being late or cancelling this should be for a very good reason.
When people in an organization work and conduct themselves within the framework of business etiquette they give lesser preference to their own communication styles, culture and management inclinations, thereby keeping biases, prejudices and self-centred behaviour aside.
There is no reason to create a scene or humiliate your server in public. Business professionals find themselves dealing with a pletho The nobles who lived at royal court did not work, and so they developed elaborate social customs mostly to avoid becoming bored.
In Merriam-Webster Online Dictionary. It includes being respectful to others and keeping a well-mannered behaviour at all times creating a comfortable environment for everyone.