14+ Uml Arrow Types. Uml diagrams use different types of arrows. Uml notation has quickly become an industry standard.
Class Diagram Relationships in UML with Examples from static2.creately.com
Unified modelling language (uml) is a modeling language in the field of software engineering which aims to set standard ways to visualize the design of a system. Sometimes the relationships are depicted in the same way, but they have a slightly different meaning. There are even more uml diagram types as package diagrams, composite diagrams, profile diagrams and etc.
Note, that uml's 1.4 anchor notation is still used in one example in uml 2.4.x for packages as an alternative.
14+ Uml Arrow Types. Which have meaning to the diagram. Which have meaning to the diagram. Lost and found messages are defined as part of uml's sequence diagrams. Sometimes the relationships are depicted in the same way, but they have a slightly different meaning.