1. Materialism-Materialism is a form of philosophical monism which holds matter to be the fundamental substance in nature, and all things, including mental states and consciousness, are results of material interactions.

2. Needs-a requirement, necessary duty, or obligation: There is no need for you to go there.

3. Self-gift-Self-gifts may be regarded as personal acquisitions which are distinguished from other purchases by a particular motivation and context.

4. Happiness-Happiness is an emotional state characterized by feelings of joy, satisfaction, contentment, and fulfillment.

5. Extended self-The extended self consists of self plus possessions and is that part of self-identity which is defined by possessions including gifts, money, body-parts, monuments, and places