conventions - C++: What is the difference between identifier, keyword, name and entity? -

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निम्नलिखित में, " एक चर का नाम" पहचानकर्ता "है? int एक "कीवर्ड" है? 

  int main () {int i; }   
 मैं कीवर्ड, पहचानकर्ता, नाम, इकाई के बीच के अंतर को समझने में असमर्थ हूं।   
 
 
 चर के लिए  int i ,  int  प्रकार और  i  नाम है चर के लिए,  i  पहचानकर्ता होगा; हालांकि,  int  प्रकार के लिए पहचानकर्ता है।  
 प्रकार हो सकता है, लेकिन हमेशा नहीं, कीवर्ड होते हैं। पहचानकर्ता एक निश्चित वस्तु, प्रकार, आदि का संदर्भ देते हैं। नाम किसी ऑब्जेक्ट के एक उदाहरण का संदर्भ देते हैं। संस्थाएं किसी भी तरह के ऑब्जेक्ट को देखें, जिनमें बुनियादी प्रकार (इंट, चार, इत्यादि) शामिल हैं।

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