klíové
Klíové is a form associated with the Czech adjective klíčový, which carries the sense of key, crucial, or central. In standard Czech usage, the neuter singular form of this adjective is klíčové, used with neuter nouns such as slovo (word) or jiný neuter noun, to denote something essential or central.
In practice, klíčové appears in common phrases that describe important elements or features, for example klíčové
Etymologically, klíčový derives from the noun klíč, meaning key. The pair expresses a relationship of importance