His office is always in apple-pie order. What does the idiom/phrase “apple-pie order” mean?

🧠 Explanation:

The idiom “apple-pie order” means neat and tidy, describing a state of perfect organization. Likely derived from the meticulous arrangement of apple slices in a pie, it’s used to praise orderly environments, like a well-kept office or home. For example, saying “His desk is in apple-pie order” highlights its tidiness. The phrase is common in English, adding a vivid, relatable image to conversations about organization. Its charm lies in its simplicity and cultural resonance, making it a popular expression in both casual and formal settings to denote cleanliness and structure.