An important contrast with seals is that fingerprints and handprints are associated with a person, while seals are often associated with an office or family, though personal seals are also very common.
Traditionally, extended families lived together, however, with the new situation in Cairo - as houses were abandoned in favor of apartments - the traditional family has given way to the nuclear family.
The word 印 ("yìn" in Mandarin, "in" in Japanese and Korean, pronounced the same) specifically refers to the imprint created by the seal, as well as appearing in combination with other ideographs in words related to any printing, as in the word "印刷", "printing", pronounced "yìnshuā" in Mandarin, "insatsu" in Japanese.
The colloquial name chop, when referring to these kinds of seals, was adapted from the Hindi word chapa and from the Malay word cap In the past, fingerprints and handprints were used in East Asia for this function, being first impressed in clay, then printed on paper.
Gifts are expected for social events and to express thanks for an invitation.
If you are invited to someone's home, a gift of wine, chocolates, pastries or flowers is appropriate.