We all know that Muslims are "labeled" in one way or another. In this lecture, however, the speaker touches upon a whole new dimension of labels: How one Muslim recognizes another. Is it the duty of each Muslim to be recognizable to his fellow brothers and sisters in Islam? Is it fardh to dress in a manner in which one can be recognized as a Muslim? And how, exactly, should one react when he or she does recognize that another Muslim is in the vicinity? Finally, what are the Islamic greetings, anyway?