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Perseus missile - Description or Characteristics?
Your lack of English comprehension is appalling. Your edit summary reads, ""the section here describes the missile, not just lists its characteristics. Standard way of naming sections on similar articles. Also, i would be happy to compare GRE scores"". You are making this oh so easy for me, but for your benefit I will simplify things by hypothetically replacing the missile with a person. If I were to describe a person - perhaps on a police report - what would it entail? Height, weight, hair and eye colour, age? Yes, but I may also go on to describe the persons observable behavior, actions and tone of voice etc, to the best of my ability. This is a fairly standard example of what would fit a description. 

The articles original sub heading - Characteristics - encompasses a more diverse and flexible approach to the subject, for example distinctive features or a distinguishing quality unique to that particular missile (or person!). It goes more in-depth, a wider representation of the subject. However, as defining Characteristics are very descriptive in nature, it is easy and common these days to make mistakes, just as you have clearly made the mistake of getting muddled with the correct use of description and characteristics (as represent by your edit summary).

Difference between a description and a characteristic?
Description: He is tall, 6ft 6.
Characteristic: It is his height of 6ft 6 that distinguishes him. 

For a non native English speaker it can be difficult. 

Brush up on your English skills before making a fool of your self, or edit Wikipedia in your own language.    Ping me "