This is the 303rd most frequent Czech word.
jana
"Jana" is a Czech female given name, equivalent to "Jane" or "Joan" in English.
Here, 'Jana' is used as a proper noun, referring to a person's name.
Jana byla velmi nadšená, když dostala tu nabídku.
Jana was very excited when she received the offer.
Here, 'Janu' is the accusative form of the name 'Jana' used as a direct object of the verb.
Viděl jsem Janu ve městě včera.
I saw Jana in the city yesterday.
Here, 'Jany' is the genitive form of the name 'Jana' expressing possession or origin.