Even if you summarize the author's ideas in your own words, you must still list a reference, and, of course, if you use the writer's exact or direct words, you must cite a reference. The map may be a part of the thesis. Each body paragraph fully discuss one particular sub-point in depth. The length of an essay is determined one of two ways. Sometimes an instructor provides guidelines such as the essay must be 500-700 words.
Transitions are words or phrases which connect ideas.
They serve as bridges between sentences and paragraphs. My computer does a grammar check. Grammar rules include more than knowing where the commas go. Most computers do not offer advice on style, so person, sentence variety issues, transitions, and word choices are not always dealt with. In addition, not all editing can be done on a computer.