Unique - different, no other like it
Natural - Some take this to mean that there are no additives that are not found in nature. In reality, natural has not been defined in food labeling and can actually mean almost anything.
Best - Better than all others. This term is subjective when refering to food.
Pure - Free of impurities and contaminants.
Natural selection
Conservation of natural resources
Global warming
global warming
The term of the unique rotational movement of Venus is retrograde
Pure pwnage is a slang term. It's usually used in video games, or in cut downs, it means that you've basically beat someone at something or got the best of them.
what term means the unique way of life of a group of people?
It could be called that but not best use of term. Disaster implies natural.
The term pure mixture doesn't exist; the components can be more or less pure.
For the Term of His Natural Life was created in 1870.
pure, unadulterated,
Pure