Paralinguistic cues such as gestures, intonation and facial expressions can aid in cross-cultural communication as they tend to be more similar to each other than words are.[26] There are, however, some gestures can also sometimes be misunderstood across different cultures.[27] For instance, the thumbs-up gesture which sees frequent usage in many countries and is understood as good, in other countries such as Greece or the Middle East, this gesture is a negative symbol and making such a gesture can be considered very rude.