Language is important because it's one of the main ways to communicate and interact with other people around us. It keeps us in contact with other people. English language is an example for the importance of a language because it is the international language and has become the most important language to people in many parts of the world. It is most widely used in communicating around the world, Also it is spoken as the first language in many countries. 

Mathematics is the science and study of quality, structure, space, and change. Mathematicians seek out patterns, formulate new conjectures, and establish truth by rigorous deduction from appropriately chosen axioms and definitions.

Technology is the making, modification, usage, and knowledge of tools, machines, techniques in order to solve a problem, achieve a goal, perform a specific function.

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.