Where is Afghanistan? GDP of Afghanistan; What is the Capital of Afghanistan? List of Airports in Afghanistan
Definition of expression for Students. 1  1 : the act or process of making known especially in words. 2  2 : a meaningful word or saying Grandpa uses old-fashioned expressions. 3  3 : the look on someone's face She had a pleased expression. 4  4 : a way of speaking, singing, or playing that shows mood or feeling She read her lines with expression.
The Meaning of Expressions. The notion of expressions is a crucial unifying principle in the Wolfram System. It is the fact that every object in the Wolfram System has the same underlying structure that makes it possible for the Wolfram System to cover so many areas with a comparatively small number of basic operations.he notion of expressions is a crucial unifying principle in the Wolfram System. It is the fact that every object in the Wolfram System has the same underlying structure that makes it possible for the Wolfram System to cover so many areas with a comparatively small number of basic operations.