1.the amount of something, especially when it can be counted or measured; the amount of liquid that there is in a container, which can be seen by how high the liquid is; the amount of a chemical in another substance; the amount of a feeling that you feel
                 
                                
                  2.the standard of someone’s ability; the job that someone has in a company or organization, which shows how senior they are; the place that someone has in a society, which shows how rich or important they are
                 
                                
                  3.a part or stage in a system that has several parts or stages
                 
                                
                  4.one of the floors in a building
                 
                                
                  5.a part of a computer game that someone must complete before they move to the next stage
                 
                                
                  6.a tool for measuring how flat something is
                 
                                
                                
                  8.a way of understanding or expressing something