highlighting
n. C / Un. the act of marking a part of something to make it stand out. You do this to show that a piece of information is important.
n. the action of drawing attention to a specific part of a text or image, often by using a different colour or bold formatting. Uncountable when referring to the general activity; countable when referring to specific instances of marked text.
The student finished the highlighting in her textbook.
Effective highlighting involves picking out only the most important keywords rather than marking entire paragraphs.
The report's highlighting of systemic failures prompted an immediate internal investigation into the department's safety protocols and oversight mechanisms.
Often followed by the preposition 'of' to indicate the subject being emphasized.