greeting card wiki:
reeting card is an illustrated, folded card usually featuring a message of greeting or other sentiment. Although greeting cards are usually given on special occasions such as birthdays, Christmas or other holidays, they are also sent on 'non-occasions' to say 'hello' or 'thank you'. Greeting cards, usually packaged with an envelope, come in a variety of styles, are manufactured and/or hand-made by hundreds of companies big and small.
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