| A | B |
|---|
| softbox | A four-sided visual element with rounded corners, used to represent an entity in an ERD. |
| information | Knowledge, intelligence, a particular piece of data with a special meaning or function. |
| ERDish | The language or statements used to describe relationships between entities in an entity-relationship diagram. |
| database | A collection of data arranged for ease and speed of search and retrieval. |
| Cardinality / Degree | A property of an end of a relationship between X and Y, that describes how many of X is related to Y. |
| matrix diagram | A grid-like drawing that can be used to discover and record relationships between entities in an entity-relationship model. |
| relationship | A connection or association between objects. |
| optionality | A property of an end of a relationship between X and Y, that describes whether X must be or may be related to Y. |
| data | A collection of facts from which conclusions may be drawn. Raw material. |
