General terms:
* Summarize: This is the most common and general term.
* Recap: This implies a quick review of something previously mentioned.
* Abridge: This suggests shortening while retaining the essential content.
* Condensation: This emphasizes making something more compact.
* Paraphrase: This implies expressing the same idea in different words.
More specific terms:
* Outline: This suggests presenting a brief overview of the main points.
* Synopsis: This is a brief summary of a longer work, such as a book or play.
* Abstract: This is a concise summary of a research paper or other academic work.
* Summary: This can be used for a more detailed restatement than a synopsis.
The best word to use depends on the context. For example, if you're simply providing a quick overview of something, "recap" or "summarize" might be appropriate. If you're shortening a long passage while preserving its essential meaning, "abridge" or "condensation" might be better choices.