Answer: boldface

AnswerCrossword Clue
BOLDFACEType of emphasis
BOLDFACEDark characters?
BOLDFACEDark, heavy type
BOLDFACETitle type, often
boldfacetypeset or printed in boldface
boldfaceto print in thick type
boldfaceto mark (copy) to be set in boldface
boldfacetype or print that has thick, heavy lines, used for emphasis, headings, etc.