Uml_jablonskis.uml

: You can open it in Notepad++ or VS Code . You will see XML tags like .

: Some GitHub-based tools can render .uml files if they follow the XMI standard. UML_Jablonskis.uml

: It likely contains diagrams such as Use Case , Class , or Sequence diagrams for a specific system (e.g., a library management system or a banking app). : You can open it in Notepad++ or VS Code