The most common definition for the word relativity is the theory that Albert Einstein created, but this word also has other meanings as well. Relativity refers to something that is relative or related in some way. There are relativity quotes about morals, standards, physics, and many other subjects that you can browse through for inspiration. I many cases the word relativity is used to discuss a dependence that a variety of physical phenomena have and the factors related to the person observing these phenomena. If something is relative then it is related to the matter at hand and it has relativity. Few lay people who do not work in the field of physics fully understand the theory of relativity that Einstein published but many people do understand the relevance of this theory and what it means to the world.