**IDEF1X, UML, Crows Feet, etc ** There are a number of standards for creating representations for [[Entity-Relationship Diagrams]] that can be used to diagram an ER model, such as IDEF1X (IDEF Overview), UML, Bachman Notation, Martin (a.k.a. "Crows Feet"), and others. Also the [[Block Definition Diagram ]] from [[SysML]]. **** # More ## Source [Entity-relationship model](https://en.wikipedia.org/wiki/Entity%E2%80%93relationship_model) ## Related - [[Entity-Relationship Diagrams]] - [[IDEF]] - [[Block Definition Diagram ]]