The introvert is focused on the internal world of reflection, dreaming and vision. A reflection ray is traced in the mirror-reflection direction. They typically measure some angle of refraction or the critical angle for total internal reflection. The songs mostly focus on interpersonal relationships, personal reflection, and social commentary. By fostering learners' critical reflection and experience in discourse, autonomous thinking is possible. Refraction is generally accompanied by "partial" reflection. The structure guides optical waves by total internal reflection. They describe an outcome of coding for analytic reflection. Different processes can lead to opacity including absorption, reflection, and scattering. The festival is an occasion for moral reflection for many Hindus. The grunting is seen in part of a composition as a reflection of suffering. The novel is written as a first person narrative told by Uhtred as a reflection. Bible, contemporary poetic reflection, or chorale. The novel is written as a first-person narrative told by Uhtred as a reflection. Note that these are particular cases of a Householder reflection in two and three dimensions.