My friend
ChariduP, don’t make your situation worse by talking about "dialect" :-)
I recommend the article
Creole in which you will read notably
"The creole language or the designation of creole is not exclusive to the French Antilles.
A creole is originally a regional speech. It differs from one island to another without precise rules, very lively depending on the periods, it originates from a transformation of French, English, Spanish, African languages, or the language of Caribbean Indians, even from other languages of the colonial era (minority and confined to the status of 'clandestine' language within the enslaving and colonial system). The creole, which was initially a pidgin (see the differences between a pidgin and a creole) has become the mother tongue of the descendants of slaves and by extension of the populations of the concerned region. The words borrowed from the base languages, indeed, have undergone a set of modifications (phonetic, semantic, etc.) that give them a unique identity but sometimes leave them recognizable by speakers of the mother tongue.
There are several types of creoles. In the French Antilles, this linguistic medium of communication is made up of words of various origins but possesses a syntax, grammar, and conjugation based on the model of West African languages. In Réunion or Mauritius, the influences on the syntax, grammar, and conjugation of African languages are, on the other hand, more discreet than in the French Antilles."
You can also useful consult the page
Languages and dialects which confirms that:
Dialects are geographical varieties of a language.
France is rich in its diversity of languages. There are a multitude of them, each more varied than the others... Here are several!
Metropolitan France = Langues d'oïl - Langues d'oc - Arpitan (Francoprovençal) - Breton - Basque - Catalan - Corsican - Flemish - Alsatian-Moselle German
Overseas France = Creoles (Guyana, Antilles, Réunion) - Kanak languages - Maori languages - Amerindian languages of Guyana - etc...
QED
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It's nice, retirement! Especially in the Antilles...
Raymond (INSA, AFPA)