Kwanzaa celebrates what its founder called the seven principles of Kwanzaa, or "Nguzo Saba" (originally "Nguzu Saba"—the seven principles of blackness). Karenga said that this "is a communitarian African philosophy," . It consists of what Karenga called "the best of African thought and practice in constant exchange with the world." These seven principles comprise "Kawaida", a Swahili term for tradition and reason. Each of the seven days of Kwanzaa is dedicated to one of the following principles, as follows: