In outlining a five-paragraph essay, major ideas are marked with capital letters and further subdivisions are indicated with arabic numerals. The outline is capped off with a roman numeral to signify the conclusion.
Capital letters (A, B, C, D, etc.) are used to divide the main points into parts in a standard outline for a five-paragraph essay. Arabic numerals (1, 2, 3, 4, 5, etc.) are used to subdivide any major points. The outline culminates with a final roman numeral expressing the conclusion.
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