you're passport is identification, it can only be used to verifiy your personal information when traveling abroad (across oceans or international lines that require them)
The passport card itself is the passport. However, it has its limitations in use as compared to the traditional book passport.
If she is not Pakistani, try to contact the passport office in your country who can help you out. If you are out side the country try to contact the Pakistani embassy in your country who can help you out.
Yes, you can use your passport card as proof of citizenship when applying for a passport book.
Practically, it is safe to travel with a legitimate, valid passport of your country. If you are a dual passport holder then you use the particular passport for that country and the other passport for the other country. like if you are travelling to US then use US passport if you are travelling Canada use your Canadian passport.
No, you cannot use an expired passport to apply for a new passport. You will need to submit a valid, unexpired passport as part of the application process.
If it isn't printed in the passport itself then use your country's capital as place of issue. Examples: for USA passport, use Washington, DC; for UK passport, use London.
No, you cannot use an expired passport for travel.
No, you cannot use an expired passport to fly.
Yes, you can use your passport as identification at a bar.
Yes, you can use your passport to fly internationally.
Yes, you can use your passport to fly internationally.
No, you cannot use an expired passport to fly. You must have a valid passport to travel internationally.