The Challenge Series. The Challenge Series is a current drive on English Wikipedia to encourage article improvements and creations globally through a series of 50,000/10,000/1000 Challenges for different regions, countries and topics. All Wikipedia editors in good standing are invited to participate. . v. t.is that invite is to ask for the presence or participation of someone or something while challenge is to invite someone to take part in a competition. As nouns the difference between invite and challenge is that invite is (informal) an invitation while challenge is an instigation or antagonization intended to convince a person to perform an action they otherwise would not.
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