A person, an experience, some asset, nature, your car, education, your personality, your health... and the list goes on.
Gratitude is something we should form a part of our life. More often than not we take things for granted when we might not even survive without them. Just a simple example would be the meal served on our breakfast, lunch, dinner plates is a dream of millions. Should be grateful for it.
What is it that you feel grateful for?