The visible light there is from the UV emitter now looks cyan, while the IR beam that normally isn't visible at all looks the way the UV emitter's visible beam does to the naked eye. This tends to happen because the RGB filter arrays used in consumer digital cameras are only designed to filter visible light.
An elected leader is chosen by a vote of the public, while an appointed leader is selected by another leader or a body of officials without the public directly participating. Both types of leaders have been important in American history, particularly in how they exercise their authority.
Representatives are elected by the public, as in national elections for the national legislature. Elected representatives may hold the power to select other representatives, presidents, or other officers of government or of the legislature, as the Prime Minister in the latter case. (indirect representation).