Ona traži i kratku izjavu da su moji podaci točni.

She also asks for a short statement that my data are correct.

Breakdown of Ona traži i kratku izjavu da su moji podaci točni.

• biti: to be
• ona: she
• moj: my
• da: that
• i: also
• kratak: short
• točan: correct
• tražiti: to ask for
• izjava: statement
• podaci: data

Questions & Answers about Ona traži i kratku izjavu da su moji podaci točni.

Why is Ona included? Could you drop it?

Yes, you can usually omit ona because the verb ending in traži already tells you it’s she.

• (Ona) traži… = She is asking for…
  You keep ona when you want emphasis or contrast, e.g. Ona traži…, a on ne traži… (She asks…, but he doesn’t).

What does traži mean here, and is it the right aspect?

Traži is the 3rd person singular present of tražiti (to ask for / to request / to seek). In this context it’s to request.
Croatian typically uses the imperfective tražiti for requests as an ongoing/general action. A perfective alternative exists (zatražiti), which would sound more like to request (once), to make a request in a specific moment.

Why is kratku izjavu in that form?

Because it’s the direct object of traži, so it’s in the accusative case.

• izjava (nom. sg.) → izjavu (acc. sg.)
• kratka (nom. fem. sg.) → kratku (acc. fem. sg.)
  Both adjective and noun agree in gender (feminine), number (singular), and case (accusative).

What exactly is izjava here—does it mean “statement” or “declaration”?

Izjava is a statement/declaration—often a short written or spoken statement. In administrative contexts it can be like a signed declaration. The sentence implies she wants a brief statement confirming something about your data.

What is the function of i in traži i kratku izjavu?

Here i means also / as well, not simply linking two equal nouns as and. The idea is: she requests something else, and also a short statement.
Placement is flexible, but traži i X commonly means also requests X.

Why do we use da before the clause su moji podaci točni?

Da introduces a content clause (a subordinate clause telling what the statement says). It’s like English that in a statement that…
So izjavu da… = a statement that…

Why is it da su and not da je?

Because the subject moji podaci is plural (data/details), so the verb to be must be plural:

• je = is (singular)
• su = are (plural)

Why are podaci plural? Can it be singular?

In Croatian, podatak is a single piece of information/data point, and podaci is the normal way to say data / personal details. For personal information, Croatian strongly prefers the plural podaci. Singular is possible only if you truly mean one data item (jedan podatak).

Why is it moji podaci (not moje), and how does agreement work?

Moji agrees with podaci, which are masculine plural:

• masculine plural: moji podaci
• neuter plural would be moja (e.g. moja imena would be wrong anyway because imena is neuter plural but meaning differs)
  So the possessive adjective changes form to match gender/number/case of the noun.

Why is it točni and not točno or točna?

Because točni is a predicate adjective agreeing with podaci (masculine plural).

• masc. pl.: točni
• fem. sg.: točna
• neut. sg.: točno
  So moji podaci su točni = my data/details are correct.

Is the word order fixed in da su moji podaci točni?

It’s fairly flexible, but this order is neutral and common. You might also see:

• da su podaci točni (dropping moji if context makes it obvious)
• da su točni moji podaci (more emphasis on točni, stylistic)
  Croatian word order often shifts for emphasis, while agreement endings keep roles clear.

Would a comma be used before da here?

Typically no comma is used here because da su moji podaci točni is tightly attached to the noun izjavu as its content (like a statement that…). In many standard writings you’ll see it without a comma:

• kratku izjavu da su…
  A comma could appear in other structures, but in this “noun + da-clause” complement pattern, no comma is the usual choice.