Polszczyzna
Polszczyzna is the Polish language, especially its standard form used in education, media, literature and formal communication. In linguistics, the term denotes the normative variety of Polish, codified in dictionaries, grammars and style guides, and it is distinct from regional dialects (gwary) and from historical or colloquial speech.
Polszczyzna developed from West Slavic speech spoken on Polish lands. It includes Polszczyzna staropolska, the stage
The language is highly inflected, with seven cases, gender and number distinctions, and a flexible word order
Polszczyzna coexists with regional dialects and sociolects, and it remains subject to ongoing standardization and guidance