I have heard so many variations of these charges over the years, I thought I would take this opportunity to try and come to some sort of consensus. I am going to explain the way I understand it. Please use the comments area below to expand on or disagree with what I am presenting.

Tips are the easiest to understand. Tips are voluntary, like when you are in a restaurant. If service is exceptional, planners may add a tip on top of the gratuity, or they may tip individuals for services rendered.

Gratuities are mandatory and are added to the bill. They can range from 18% to 24% of the total bill. They belong to the staff, and the hotel is not allowed to keep any portion of the monies.
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