Diagram Atlas

DataDRAFT ENTRY

Data flow diagram

A directional map of data sources, transformations, stores, and consumers.

Use this diagram to generate

USE WHEN

The important story is where data comes from and how it changes.

AVOID WHEN

Exact message timing or database cardinality is required.

VISUAL GRAMMAR

01sources02processes03stores04consumers05labeled flows

SEMANTIC RULES

Name data on the arrows.
Separate transformations from stores.
Keep a single dominant flow direction.

QUESTIONS IT ANSWERS

Where does this data originate?
What transforms it?
Who consumes it?

DRAFT MACHINE CONTRACT

id: data-flow
status: draft
family: data
reading_task: Track information from source to destination.
grammar:
  - sources
  - processes
  - stores
  - consumers
  - labeled_flows
checks:
  - name_data_on_the_arrows
  - separate_transformations_from_stores
  - keep_a_single_dominant_flow_direction

Data flow diagram

Choose by the question you need to answer.