I have more experience in reading analogue schematics, and I imagine this is less challenging in purely digital electronics, but to me understanding a schematic

I have more experience in reading analogue schematics, and I imagine this is less challenging in purely digital electronics, but to me understanding a schematic is really more about identifying the causal flow of information / signals, by recognising familiar patterns (amplifiers, filters, resonators, etc). This article is more an alphabet chart.