On the other hand, Shannon considers positive information that is produced in message transmission as entropy. Conversely, there is one more interpretation given to the term which is very much opposed to the former. Brillouin associates entropy with a deficiency of information. This can also be stated as uncertainty and doubt and something which cannot be predicted. Ignorance is also one part of the mentioned interpretation of Brillouin. In addition, finally, there are some authors and theorists who consider freedom as entropy. freedom to evolve from one state to the other (Brissaud, pp. 69-70, 2005).Entropy is, basically, a fundamental and core value of modern physics that could be easily linked with different areas like metaphysics, biology, and even economy. For these reasons, every interpretation and explanation of the term has its own importance in these diverse fields and they should be made to use in order to learn more about the phenomenon.Let the paper analyze each interpretation separately. When they say that entropy is the disorder, it means that when the heat is produced in a closed system, the molecules gas molecules would, automatically, move randomly in any position. This would create more work and energy in the system than the energy which was initially present. This chaos and disrupt is termed as entropy. Moreover, considering the second and third interpretations, the lack of information, actually, refers to uncertainty and indefiniteness. An outsider can never predict where and how the gas molecules would spread when heat energy is produced in a closed system. This tendency of not being able to predict the present and future positions of molecules makes entropy associated with uncertainty and lack of information. However, for the same closed system, considering it from the inside, the movement and change are actually information which is referred to as positive and beneficial adding up to the knowledge. Likewise, the gas molecules have maximum freedom to move rapidly in whatever directions, which increases with time (Brissaud, pp. 70, 2005).