courtesy
The Spanish word 'cortesía' translates to 'courtesy' in English. It implies a polite or considerate behavior towards others. It can be used in different contexts such as social behavior, manners, and respect for others. It can also refer to a polite act or expression. This term is widely used in social and formal settings.
It's polite to thank for the service received.
This sentence points out that showing gratitude for services received is a part of good manners or courtesy, hence 'es de cortesía'. The word cortesía here is used in the context of an expected standard of polite behavior.
The lunch was offered as a courtesy of the hotel.
In this instance, the term 'por cortesía' indicates that the lunch was provided as a free service or a gesture of goodwill by the hotel. The word cortesía in this context can be translated as a 'courtesy' or an 'act of politeness or consideration'.
Courtesy is always shown towards the guests.
This sentence implies that good manners or 'cortesía' is always displayed when dealing with guests. Here, the concept of cortesía pertains to polite behavior or decorum that ought to be shown.