What is the classification of English words?

What is the classification of English words? 求助外贸英文翻译："What is the Harmonized Tariff Classification numbe what are the main orgins of english words? The classification of past and living life forms is The pronunciation of the English words is different from__of what is the meaning of the conductor is words What is the meaning of the "Well dane!" words what is the definition of English Romanticism? Classification of In many ways ,the history of English words is the history of The meanings of some English words what is the meaning of “the rennaissance in English”