tip [tips]◼◼◼(piece of advice) noun [UK: ˈtɪp] [US: ˈtɪp]I'll give you a little tip. = Je vais te donner une petite astuce.
trick [tricks]◼◼◼(effective, clever or quick way of doing something) noun [UK: trɪk] [US: ˈtrɪk]It's a simple trick of rhetoric. = C'est une simple astuce de rhétorique.
gimmick [gimmicks]◼◼◻(clever ploy or strategy) noun [UK: ˈɡɪ.mɪk] [US: ˈɡɪ.mɪk]