See:

• Binder (material), a material used to bind other materials together
• Reaper-binder, a farm equipment
• Ring binder, a device for holding together a stack of papers with punched-in holes
• Microsoft Binder, a rather unsuccessful Microsoft Office application
• Binder clip, a primitive device for holding together sheets of paper
• Binder (computer science), any construct that binds a variable to a value (or type, etc.)
• In law, a binder is an agreement enforceable in a court of law. See offer and acceptance.

See also: binding A binder is a material used to bind together two or more other materials in mixtures. ... The reaper-binder or binder was a farm implement that improved upon the reaper. ... Ring binders are folders in which punched pieces of paper may be held by means of clamps or rods running through holes in the paper. ... Microsoft Binder is an application included with Microsoft Office which is designed to allow users to include several different types of files (eg, Word documents, Excel spreadsheets, PowerPoint presentations. ... A binder clip A binder clip is a primitive device for holding things together. ... In programming languages, name binding refers to the association of identifiers with runtime entities such as objects and functions. ... Law (a loanword from Old Norse lag), in politics and jurisprudence, is a set of rules or norms of conduct which mandate, proscribe or permit specified relationships among people and organizations, provide methods for ensuring the impartial treatment of such people, and provide punishments for those who do not follow... Offer and acceptance analysis is a tool in contract law used to determine whether a contract exists between two parties. ... Binding is: A type of knot, see binding (knot). ...