1.1 Meanings :
1. Elements – a small but significant amount of a feeling .
2. Aspect – a particular part .
3. Interaction – communication .
4. Domain – an area of territory owned .
5. Surroundings – the things and conditions around a person .
6. Lithosphere – the rigid outer part of the earth
7. Hydrosphere – all the waters on the earth’s surface
8. Atmosphere – the envelope of gases surrounding the earth
9. Biosphere – planet occupied by living organisms
10. Barter system – exchange (goods or services) for other goods or services .
11. Pleasant – giving a sense of happy satisfaction .