Compositionally

The two minerals are compositionally distinct.

Source: wiktionary

Several of the larger works in the exhibit are composed of multiple prints arranged with a space between the edges to gie the overall appearance of panes in a window or a grid. This is more effective in some cases than others. The largest piece in the show "Wet Weather" (uttilizing 16 separate prints pieced closely together) is weak compositionally and seems to have been done hurriedly and with less resolve than some of the other big works such as "Night Rehearsal" which is a wonderfully animated interplay of form, light, and shadow.

Source: wiktionary

The central painting, depicting Circe's palace, is compositionally and stylistically different than the rest of the frieze.

Source: wiktionary

Compositionally there is no great distinction between cell wall and cell surface, both are relatively transparent compounds, but both parts of the cell are of high significance in Biology due to their central role in cell functioning.

Source: wiktionary