Limit typefaces, type sizes and weights to one or two and retain these throughout the presentation. Use simple block typefaces and sans serif typefaces. Sans serif typefaces are those with the same thickness at all points. Helvetica is an ideal font. Fancy or ornate types should be avoided.
Hyphenated lines interrupt the continuity of the thought.
Check spelling and numbers. Avoid grammatical errors. Use bullets and numbers to organize ideas in list format. Bullets are the dots, check marks, or other shapes that delineate topics or introduce items in a list. Use them to give list items equal importance.