Basic structure, Importance & Use of “C”   in Programming

Question: Describe the Basic structure, Importance & Use of “C”   in Programming And give the example where needed.(Not more than 300 words)
 
Note: –
(i) Simple word document
(ii) Highlighted by Underline where Need.
(iii) Font – Bell MT
(iv) Font size – 9
(v) Use of single space
(vi) Use only water mark
(vii) Without any Border
(viii) Clear and understandable language