infj; estp; enfj; istp

in the ni-se ti-fe family, what are some tell-tale signs telling apart an INFJ, ESTP, ISTP, and ENFJ?

for example, a gripped Se INFJ vs an unhealthy ESTP? a Ni-Ti looping INFJ versus a Ti-Ni looping ISTP? a healthy INFJ versus an ENFJ?

thank you!