Representation Delusional

What does delusional idea mean? This term is often used in speech, and I would be interested to know what kind of representation we are talking about. To do this, let's figure it out. What exactly does “delusional idea” mean in the context of delusion? **

The term “delusion,” according to Wikipedia, comes from the Latin verb **credo** - **to believe. **The attributive meaning appears due to the fact that b. is compared with the word “faith”. R. - in approximately the same way as we derive the words “extreme” and “paint” from one common root. But there is another point of view - the verb **credere**, from which we “believe”, is supposedly formed from the root **credo** - “to understand”.

Be that as it may, **