How do you write greetings in Thai?

Is it appropiate to print gifts optional on the birthday party invitation? What are funny names to call people? What is the difference between a personal and a public symbol? Is impromptu a real word? Synonim of tips as servers tips? What does la tante mean in french? Should you bring a gift for a post birthday drinks only? What side of a hat should a flower be worn on a hat for a man and woman? Who would you seek guidance from in this instance? Does a divorcee go by Ms or Mrs? How do Irish girls dress? What is meant by honorarium? How many times does the average person get interrupted by another person? What is a sentece for indulgently? What does snobbish means? Can you begin a letter with Dear Mr and Mrs Jim Smith? What does it mean if someone says please standby? How many times until is impolite to ask for someone to repeat something? Should a comma come after Good morning Ms Smith? What are some cons of manners?