An indication of an instantiation of a first graphical user interface item representing a first data pool component being specified to be included in a data pool is received. An indication of an instantiation of a second graphical user interface item representing a second data pool component being specified to be included in the data pool is received. The second graphical user interface item is graphically instantiated as connected with the first graphical user interface item to indicate that the first data pool component and the second data pool component belong to the same data pool able to be referenced as a combined single data entity. An indication of an instantiation of a third graphical user interface item representing a data management action to be applied to the data pool, wherein the third graphical user interface item is graphically instantiated as connected with a graphical representation of the data pool is received.