Brainstorming Session¶

Color & Shape Convention¶

Element Type	Description	Miro Shape Suggestion	Color	Purpose
Command	Represents an intention or action initiated by an actor (imperative).	Rounded rectangle	Blue (#007BFF)	Describes what the system should do.
Actor	Entity (user, system, or external trigger) that initiates a command.	Circle	Yellow (#FFD43B)	Defines who starts the workflow.
Event	A significant fact that happened within a domain (past tense).	Hexagon	Orange (#FFA500)	Describes what has happened and can trigger other actions.
Business Rule	Constraint or policy that governs how or when a command can be executed or an event produced.	Diamond	Purple (#9B59B6)	Ensures domain logic consistency.
Lecture/Read Model	A data view or projection used for decision-making or display.	Parallelogram	Green (#2ECC71)	Represents what information is needed to make a decision.
Aggregation	Domain model that holds state and enforces invariants.	Large rectangle	Red (#E74C3C)	Core entity or aggregate root for consistency boundaries.
External System	Outside service, platform, or integration.	Cloud shape	Pink (#F78DA7)	Represents Open Banking, WhatsApp API, ChatGPT, etc