sign
Let an agent handle signs by message, type, placement, legibility, legal requirements and accessibility.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Message What it says.
Content
Text and symbols.
Content
Message.
- What message does the sign convey? definition
- Is it clear at a glance? boundary
Type
Road, safety, information.
Type
Sign type.
- What type of sign is it? definition
- Which standard governs it? provenance
Design Legibility.
Legibility
Size and contrast.
Legibility
Legibility.
- Is the text large enough with sufficient contrast? boundary
- From what distance will it be read? measurement
Accessibility
Inclusive design.
Accessibility
Accessibility.
- Are tactile, braille or pictogram versions needed? boundary
- Is it at an accessible height? boundary
Rules Permissions.
Consent
Advertising.
Consent
Advertising consent.
- Does this sign need permission from the local authority? boundary
- Which rules apply? provenance
Safety
Required signs.
Safety
Required safety signs.
- Which safety signs are required here? provenance
- Are they correctly placed? boundary
Senses Disambiguation.
Other senses
Indicator, gesture, zodiac.
Senses
Other senses.
- Is a sign in the sense of an indicator, a gesture, sign language or a zodiac sign meant? boundary
- Which entry fits? action
Maintenance
Damage.
Maintenance
Maintenance.
- Is the sign damaged or out of date? boundary
- Who should be told? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Information and virtual systems
- Entry kind
- noun.communication
- Plane
- INF
- Domain
- INF.MED
- Facets: substance
- information
- Facets: origin
- conceptual
- Facets: agency
- inert
- Facets: mobility
- not-applicable
- Facets: scale
- not-applicable
- Facets: affordances
- readable
- Other names and narrower kinds
- poster, posting, placard, notice, bill, card, show bill, show card, theatrical poster, flash card, flashcard, street sign
What it is Filled
A public display of a message, such as a poster, placard, notice, bill or card, and signage in general, including road, safety, shop and information signs.
Why it exists Filled
Let an agent handle signs by message, type, placement, legibility, legal requirements and accessibility.
Distinguishing features Filled
- Public message display
- Text and symbols
- Some are legally regulated
- Must be legible and accessible
What robots and AI may and may not do Filled
Must not
- Remove, cover or alter safety or road signs.
- Put up signs that mislead people, such as false warnings or fake official notices.
- Place signs on property without the owner's permission.
- Ignore a safety sign when acting in the space it governs.
Only with a human decision
- Removing or replacing a public safety or traffic sign.
May
- Read a sign and report its message, location and condition.
- Draft and place signs where the agent is authorized, following local rules.
Moral aspects Filled
- People rely on signs for safety; a missing or false sign can cause injury.
- Signs should be readable by people with different languages and abilities.
Who is affected
- Road users and pedestrians
- People with visual or reading difficulties
- Property owners
Owners Filled
Steward
The person or authority that put it up; road authorities answer for traffic signs.
Links to other meta-models Filled
parent
- oewn-00033319-n - registry parent class
related
- communication - category
- symbol and text - content
- signage and advertising rules - rules
- flag - visual signal
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.sign
- Open English WordNet: oewn-06806088-n
Direct properties not applicable Not applicable
Not applicable
Plane INF: no invented physical properties.
Recognition optional Filled
- Types: road, safety, wayfinding, advertising
- Standard colours and symbols
- Signs as indicators or gestures are other senses
- Boards, posters, placards and panels with text and symbols.
Capabilities and actions required Filled
- design legible and accessible signs
- follow rules for safety and road signs
- get permission for advertisements
- report damaged or misleading signs
Hazards and failure modes required Filled
- Illegible or confusing signs
- Missing safety signs
- Distracting signs near roads
Standards and interfaces required Filled
- ISO 7010 safety signs
- Vienna Convention on Road Signs and Signals
- Local advertising consent rules
- Accessibility standards for signage
Context of use required Filled
- Informing, directing, warning and advertising.
- road and traffic signs
- safety signs
- wayfinding and information signs
- advertising posters and billboards
- protest placards
Sources Filled
- Open English WordNet 2024, synset oewn-06806088-n - sense and gloss of the concept
- Wiktionary: sign - word senses and usage
Open questions
- Should sign types be separate entries?
- How should standards be linked?
- How should other senses of sign be split off?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-sign/spec.json