Grammar is frame to learn a language. A mind maps not just as visual aids, but as a quick-reference system of rules. This allows me to easily access the structures I need to express my thoughts, then I will remember them by practicing.

To express an idea in an Indo-European language like Italian, Spanish, French…I need to understand the rules of this natural hierarchy from letter, syllable, word, phrase, simple sentence, compound sentence, to complex sentence. So I need to understand levels of Linguistic Analysis.