How a good vocabulary impacts an essay?

According to essay writing services, vocabulary and grammar are the basic and the most important tools of writing. The words should be unique yet easily understandable. The use of good words can take your content from low to high as good grammar skills and good vocabulary both are very important at the same time. The reader or checker should read your content with interest and for this, your content must be interesting and effective. You can connect to them for further queries.