As a western etiquette, kissing originated in ancient Rome. Kissing is different from kissing, because the relationship between the two sides is different, so the specific parts of "touching" when kissing each other are also different: the elders kiss with the younger generation, the elders kiss...
A gentleman may kiss the hand of married or older women, but never young unmarried ladies. If you are attending an event at someone’s home, you may kiss the hand of the hostess,in which case you needn’t do it to other women present, unless they are particularly important or high st...