This is the 843rd most frequent Czech word.
osobních
"Osobních" means "personal" or "of personal" in English, often used in the context of personal belongings or private matters.
In this sentence, 'osobních' is used as an adjective in the plural genitive case, describing 'experiences' (zkušenostech), indicating the personal nature of these experiences.
Mám rád knihy o osobních zkušenostech lidí.
I enjoy books about people's personal experiences.
Here, 'osobních' modifies 'věcech' (belongings), showcasing the possessive attribute, and is in the plural locative case due to the preposition 'na'.
Háček na klíče je na osobních věcech.
The key hook is on personal belongings.
'Osobních' alters 'údaje' (data), implying individual-related information, and it stands in plural genitive case indicating possession or attribute.