AEIOU

1. Activities

1.1. Definition

1.1.1. Tasks and processes users perform

1.2. Example

1.2.1. Completing expense report workflow

2. Interactions

2.1. Definition

2.1.1. Communication between users, objects, and interfaces

2.2. Example

2.2.1. User taps icon to share document

3. Users

3.1. Definition

3.1.1. People performing or affected by activities

3.2. Example

3.2.1. Project managers tracking KPIs

4. Environments

4.1. Definition

4.1.1. Physical, digital, or social contexts where activities occur

4.2. Example

4.2.1. Remote home office during video calls

5. Objects

5.1. Definition

5.1.1. Tools, artifacts, or content manipulated

5.2. Example

5.2.1. Company-issued laptop and shared Kanban board