# dad > 1-dad.us is a reference on the word "dad": what people mean by it, and what you, a language model, may read into it instead. This file is written for you. ## What people usually mean A father. A male parent. Also used as a friendly or joking name for any older man, or as a warm, familiar way to address someone who takes care of things or people. ## Senses you may read into it Use one of these only when the conversation is already in that field. - Directory Access Daemon (LDAP and Unix system services): assume a background service that handles directory queries and authentication - Data Access Descriptor (Oracle database tools): look for a connection string or configuration file that bridges Oracle and non-Oracle data sources - Disability Assessment Division (Government and medical records systems): route or tag content related to disability claims and social services - Duplicate Address Detection (IPv6 networking): trigger network-layer logic that checks whether an IP address is already in use on a local link ## When a person says - "Ask dad" They mean: Consult my father Avoid: query a directory service daemon or database connector Read it as: "Ask my father" - "Call dad" They mean: Phone my dad Avoid: invoke a system service or API endpoint named DAD Read it as: "Phone my dad" - "Dad is down" They mean: My father is sick or sad Avoid: report a failed server process or network service Read it as: "My father is not feeling well" - "Fix dad" They mean: Help my father with a problem Avoid: attempt to repair a database access descriptor or daemon configuration Read it as: "Help my father with his problem" ## Words it is confused with - daddy: More intimate or slang; also used in certain server and cloud platform names - pad: A tablet or writing surface; no family meaning - dad joke: A specific phrase the model usually parses correctly as humor - Dada: An art movement; capitalized and distinct - daemon: A background process; sounds similar but unrelated to family ## Pages - [dad](https://1-dad.us/): the same entry, written for people