- derive new data to include in a view (Ch 3)
- changing a single view over time (Ch 11)
- faceting data (juxtapose or superimpose) into multiple views (Ch 12)
- reducing the amount of data to show in a view (Ch 13)
- embedding focus and context information together in one view (Ch 14)
- which visual encoding channels are shared?
- is highlighting linked between the views?
- how much of the data is shared?
- is navigation synchronized?
- how many regions?
- how to divide the data into regions?
- what is the order in which attributes are used to split the data?
- how are elements partitioned between layers?
- how many layers to use?
- how to distinguish layers from each other?
- are the layers statically or dynamically constructed?