Answer :
Final answer:
Reader Mode: First Card Unlock optimizes the reading experience by focusing on primary content and reducing distractions.
Explanation:
Reader Mode: First Card Unlock refers to a feature prevalent in mobile devices or browsers that optimizes the reading experience by displaying the primary content first, often by eliminating clutter and distractions.
This Reader Mode can help users focus solely on the text, making it easier to read articles or documents without any irrelevant elements on the screen.
By utilizing the Reader Mode, users can enhance their reading comprehension and reduce eye strain, especially when engaging with lengthy or text-heavy materials.