1. in a way that takes up little space; densely or tightly packed
2. in a concise or brief manner; without unnecessary words or detail

Examples

• The furniture was arranged compactly to maximize the small living room.
• She packed her suitcase compactly so it would fit in the overhead bin.
• The report was written compactly, covering all key points in just two pages.
• The city's buildings are compactly built together along narrow streets.
• He explained the concept compactly without losing any important information.
• The new car design is compactly engineered to improve fuel efficiency.