Hello Bella, **The construction refers to the act of establishing a structure , the process itself ,while the structure refers to the parts constituting this construction. **There are construction phases , different phases of the process of putting parts of a building or design together for example. The structure is completed when the construction phases are done. **The construction of a system needs putting all parts together in order to build a well integrated structure.

construction is a noun. Here are its meanings. If you look at number 2 you will see that both words can mean the same thing. a. The act or process of constructing. b. The art, trade, or work of building: an engineer trained in highway construction; worked in construction for seven years. 2. a. A structure, such as a building, framework, or model. b. Something fashioned or devised systematically: a nation that was glorious in its historical construction. c. An artistic composition using various materials; an assemblage or a collage. 3. The way in which something is built or put together: a shelter of simple construction. 4. The interpretation or explanation given to an expression or a statement: I was inclined to put a favorable construction on his reply. 5. Grammar a. The arrangement of words to form a meaningful phrase, clause, or sentence. b. A group of words so arranged.

Construction: Act or process of constructing: the building of something, especially a large structure such as a house, road, or bridge. Structure Something built or erected: a building, bridge, framework, or other object that has been put together from many different parts.

"construction" is commonly a process and "structure" is a result. "The structure is under construction"