* What is *this* in Greek? This requires you to specify "this." For example, "What is 'hello' in Greek?" The answer would be "γεια σας" (ya sas).
* What is the Greek word for...? This also needs you to specify the word or concept you're looking for. For example, "What is the Greek word for 'beautiful'?" The answer would be "όμορφος" (ómorfos) for masculine, "όμορφη" (ómorfi) for feminine, or "όμορφο" (ómorfo) for neuter.
* What is contained within Greece? This refers to the geography, culture, history, or population of Greece. The answer would be a lengthy description.
* What is the meaning of something written in Greek? You would need to provide the Greek text.
To get a useful answer, please clarify your question.