gustmelo92 since cultures all around the world have those subtle differences in some cases and are thouroughly the opposite in some others, thus when a person visit some other culture or even talk to some other person online several cultural aspects may interfere in this situation, be a specific word that you can not tell others, or the dress-code required to certain culture, there is a myriad of misunderstandings that could happen to you or anyone when dealing with other culture