They are both directed graphs that support dependencies, i.e. if you run `make a` or `just a` and they depend on b and b depends on c, both tools will build c

They are both directed graphs that support dependencies, i.e. if you run `make a` or `just a` and they depend on b and b depends on c, both tools will build c first, then b, then a. What often happens is that people should use `make` (or `just`), but don't, and instead end up writing a poor replica of `make` as a custom python script for example. And then that python script perhaps shells-out to a subprocess because you can't run something in python directly as a lib, so now you have to import and invoke subprocesses, and so on. Building and deploying a static website using just or make is 4 lines.