What is the difference between kathak jaipur gharaana & lucknow gharaana ?

Question: What is the difference between kathak jaipur gharaana & lucknow gharaana !?
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Kathak is a style of classical Indian dance, while the term 'GHARANA' means the school of Indian classical music!. Style or tradition of schooling developed in a particular area under a particular "Guru" is known as GHARANA, such as Maihar gharana of pandit Alauddin khan, etc!. Kathak dance belongs to Lucknow gharana!.Www@QuestionHome@Com

why is this in dancing!?Www@QuestionHome@Com