In the world of developing and getting to know new things, the term “all in one” is becoming more and more common in Vietnam. What in fact does “all in one meaning” symbolize? It reflects the understanding of a single product or service including many functions in one design. For example, “all in one” products such as computers, inductions, or applications in Vietnam are all done for the maximum convenience of the customers. Speaking of the “all in one meaning” people use it to identify convenience, optimization. Thus, correctly understanding “all in one” is not only to ensure the selection of the right product, but it helps to discover the true significance of this term in various generalized directions. As a result, “all in one” symbolizes integration of many functions in one place and does the best for the everyday life of Vietnamese people.