Hi ! Thanks for sharing this information. It will be definitely be helpful for all, especially beginners. Today, the keyword is 'Business English'.
I, personally feel that, there are three aspects to the English language that are important or vital to speak or write GOOD English :
1. Grammar : Strong foundation in grammar is a must to do justice to themselves and to the language.
2. Punctuations and its importance : Punctuations, whether it is in written or verbal form, have their own charm. For example, the importance of a 'Period' and a 'comma'. They form the essence of any communication and go a great way to deliver the message the way we want it to be delivered.
3. Vocabulary : One should constantly and consciously build his or her vocabulary at a steady pace.
Cheers,
San
(sanmathi.infronic@gmail.com)