The informal concept plays a significant role in quickly generating diagrams and presenting them during meetings. It is also useful for communicating ideas between software architects and developers.
Domain-driven design is a concept by Eric Evans that creates a collaboration between technical and domain experts and helps with the specification of a conceptual model that solves specific domain problems.
Gleek uses an informal diagramming language with its own syntax. Connect a domain-driven design approach with context mapping while creating an informal diagram using Gleek.