Optics: : [op-tiks] - noun. A branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.Optics includes the study of sight. branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.
By 1924, the National Flag Conference, under the leadership of the American Legion and the Daughters of the American Revolution, changed the Pledge's words, 'my Flag,' to 'the Flag of the United States of America.'
There are 6 greek words used in the New Testament to convey something like our modern concept of submission: hupotasso, hupakouo, hupeiko, peitho, peitharcheo and dogmatizo. Keep in mind that many greek words have different meanings based on their context. It is no different in English.