Single Source of Truth
One place where the real version lives.
Definition
One authoritative definition of a value or component, from which all uses derive.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
On this plate
In plain language
One place where the real version lives.
Example
Tokens defined once and exported to CSS, iOS and Android, rather than maintained separately in each.
Local chart
TERM·087 · Region X · Grid D5
This entry and the entries it is stated to connect with. Each line is labelled with what the connection means.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Design TokensSYS·001 · Design system
- Versioning and DeprecationSYS·006 · Design system
- Consistency and StandardsHEUR·004 · Heuristic
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.