保存 (bǎo cún) is a transitive verb meaning 'to save'—especially digital files, documents, or settings—and 'to preserve' physical or abstract things like traditions, evidence, or natural resources. The first character 保 (bǎo) means 'to protect' or 'to keep safe,' and the second character 存 (cún) means 'to exist' or 'to store.' Together, they convey the idea of keeping something safely in existence for future use or reference.

This word is widely used in computing contexts (e.g., saving a file before closing), archival work, conservation efforts, and even cooking ('preserving food'). It implies intentionality and care—not just passive retention, but active safeguarding. While often interchangeable with 保留 (bǎo liú) in some contexts, 保存 emphasizes continued existence *in usable form*, whereas 保留 may focus more on maintaining status or rights. It’s neutral in register and appropriate in both formal and everyday speech.