公共的 (Gōnggòng de) - public: Refers to something that is accessible or available to everyone in a community or society.
个人的 (Gèrén de) - personal/individual: Describes something related to an individual person, their preferences, or their belongings.
保密性 (Bǎomì xìng) - confidentiality/secrecy: Refers to the quality of keeping information private and not disclosing it to others without authorization.