When it comes to presenting important and fundamental information, using synonyms for "essential facts" can add variety and depth to your writing. You can swap "essential" for "crucial," "vital," "necessary," or "indispensable." Similarly, you can use synonyms for "facts" like "information," "data," or "details." For example, instead of "these are the essential facts," you could say "Here is the crucial information to consider." By using a mix of synonyms for "essential facts," you can create a more interesting and engaging text. It can also help ensure that your readers understand the importance of the information presented.