You can ask those questions for food;
Can I have a meal?
How is the meal? Is it spicy or sweet?
Can I have a drink?
You can ask those questions for things:
Can I buy a chair?
How long is it?
How much does it cost?
You can ask those questions for vocabularies:
What is the meaning of this word?
Could you explan this word to me?
What is the opposite of the word '' short ''?
Are there any synoms for this word?