Related Clues:

• Block letter's lack
• Sans ___ (print type)
• Sans -- (font option)
• Letter enhancement
• Font feature
• The letter O doesn't have one
• Line of text?
• What the letter O lacks
• Letter finisher
• Sans-___ (typeface type)
• Type feature
• Font decoration
• Sans -- (font type)
• Helvetica's lack
• Stroke on a letter