Do you need a sentence need a full stop?

What is the word for walking in a defiant manner? Do I place a comma before someone's name if I am directing a statement towards them example thank you comma Peter or would i simply write thank you Peter? Where can you get one of those giant thank you cards? What is 'Hello sir' when translated from English to Portuguese? What does dos per dona mean? What slang sentences? Who invited Scrooge to eat on Christmas Day? Removing old questionsm? What does it mean if you call someone a 'cancelled stamp'? Do you consider yourself a tidy person? Is people a third person word In third person writing? As a precautionary measure how often and from whom should an individual order copies of his credit report? What is the etymology of the word dressed meaning put on clothes? Importance of good manners in life? Why is consideration important? What does it mean to cowbell someone? good afternoon! ? What is a casual acquaintance? What name represents kindness? What does aquaintance means?