Lettering Selection Composition Mechanical Formal Visual Arrangement Graphical Lettering Flat-edge point Trial-and-error Oval point Repeated Squared point Centerfold Rounded Point 1. This refers to the selection, arrangement of styles and sizes of letters 2. This is the type of spacing that are always equal in length between letters 3. This is the type of spacing that the length of spaces between letters may not be equal 4. This process is used to identify the amount of space needs to be utilized when writing a letter a given amount of space 5. D-1 to D-6 pen styles is commonly called? On​