The word thank you comes from the Javanese language Matur Nuwun which means thank you.
In some countries, such as Japan, how to eat loudly is considered polite because it shows that good food.
In the UK, when drinking tea, the little finger is slightly removed to avoid exposed to a cup or glass.
In some countries, such as Thailand and Japan, blowing the nose in front of others is considered rude.
In South Korea, when receiving a gift, people who accept must refuse several times before finally receiving it.
In Indonesia, the name of someone with the call of Ms. or Mas is considered polite.
In some countries, such as India and Sri Lanka, lifting legs or feet in front of others are considered rude.
In China, giving gifts that are too large or expensive can be considered rude because it can be considered as an effort to buy influence.
In Saudi Arabia, when shaking hands with others, the hands should not be too strong and not too soft.
In Japan, when eating together, the last person finished eating, you should say Gochisousama Deshita, which means thank you for their food as a sign of respecting the services provided.