What Is an Informal Logical Fallacy?

There's very strict rules about pointing out formal or yethe formal o phoma. Logical fallacies are very specific. Although we often call a non secueter an informal fallacy, even though that is technically a formal fallacy. But so the nonse idea is so vague. It just means that it doesn't follow yet, but that's the whole point of a formal logical Fallacy - one proposition to conclusion.