UML extending class associations with generalizations - Software Engineering Stack Exchange

I have a simple concept like in the image below. Basically there is an Item which can be 1 of 3 types and a character that can be 1 out of 2 types. All generalizations are disjoint. What I'm tryin

Specific UML-Derived Languages for Modeling Multi-agent Systems

UML generalization is binary taxonomic relationship between a more general classifier (superclass) and a more specific classifier (subclass).

uml - Is an abstract role needed to ensure that a customer can only have one role out of several? - Software Engineering Stack Exchange

class - UML- Can aggregation lines be combined, assuming the same multiplicity? - Stack Overflow

Creating, Using and Managing Diagrams

How to model a covariant association-class in UML? - Stack Overflow

UML Generalization - Javatpoint

UML Class Diagram Generalization Example

Mixin Inheritance Example Download Scientific Diagram