[ PICTOGRAM CASE HISTORY ]
Material Symbols Light Group 2 Icon (Outlined). Needs intervention.
Visible referent: light group 2 numeric. Intended message: The icon must communicate Light Group 2 in a digital interface.. The report separates observed asset evidence, submitted context, and public evidence signals.
0.61
PCS
0.41
CLL
0.51
NTR
[ FEATURED PICTOGRAM ]
pictoclarity / material-symbols-light-group-2-outlined
Output - Material Symbols Light Group 2 Icon (Outlined)
Assessing the communicative effectiveness of the Light Group 2 icon
This reviewed catalog report estimates clarity for Light Group 2 in default interface contexts. Scores are screening estimates and do not replace user testing.
0.61
PCS
PictoClarity Score
0.41
CLL
Convention Learning Load
0.51
NTR
Neurocognitive Transfer Risk
[ HOW THE CASE READS ]
From Input To Public Evidence.
The application stores structured evidence. The public page turns it into a readable pictogram case history.
01
Submitted Context
Framework output for the Material Symbols Light Group 2 icon in the outlined style.
02
Primary Finding
Primary referent: light group 2 numeric.
03
Metric Reading
Implied function: The icon must communicate Light Group 2 in a digital interface..
04
Public Recommendation
Conduct representative user testing across diverse user groups to validate semantic transparency and functional clarity before widespread publication or deployment.
[ EVIDENCE SCREENING ]
What The Estimate Surfaces.
Semantic Transparency Score
Input
Expected
Estimated
0.50
Confusion Risk Index
Input
Possible
Estimated
0.60
Readability Test Score
Input
Visual
Estimated
0.75
PictoClarity Score
Input
Estimated
Estimated
0.61
Needs intervention 0.61
The pictogram carries meaningful clarity risk. The estimate applies to this pictogram, this meaning, and this public context.
Last Reviewed
Jun 24, 2026
[ SCORE SCALE ]
The Public Verdict Has A Range.
The level explains the estimated context. It is not a certification.
0.80-1.00
Strong clarity
The pictogram communicates well in this context.
Use it, then keep testing with real users.
0.65-0.79
Usable with support
The pictogram works with labels or context.
Pair it with text and monitor interpretation.
0.50-0.64
Needs intervention
Current report
The pictogram carries meaningful clarity risk.
Improve the symbol before relying on it.
0.00-0.49
Not reliable
The pictogram does not communicate enough alone.
Replace it or add strong alternative support.
[ CONVERGENCE PROFILE ]
Where Meaning Converges.
The profile compares visual evidence, semantic extraction, cultural recognition, time, and cognitive context. It describes estimated convergence, not universal validity.
Convergent meaning profile
The radar shows where meaning converges. It does not certify universal validity.
Area
0.24
Balance
0.70
Perceptual
0.75
Semantic
0.50
Functional
0.57
Cultural
0.30
Temporal
0.56
Neurocognitive
0.56
Context Independence
0.55
Collective Resonance
0.24
Weakest Axis
Collective Resonance
How strongly public evidence supports shared recognition and persistence.
Strongest Axis
Perceptual Convergence
How strongly visual form survives size, blur, contrast, and detail loss.
| Axis | Score | Description |
|---|---|---|
| Perceptual Convergence | 0.75 | How strongly visual form survives size, blur, contrast, and detail loss. |
| Semantic Convergence | 0.50 | How strongly extracted meaning converges on one interpretation. |
| Functional Convergence | 0.57 | How strongly the symbol maps to the intended function. |
| Cultural Convergence | 0.30 | How strongly recognition holds across cultural evidence and assumptions. |
| Temporal Convergence | 0.56 | How strongly meaning persists over time without semantic decay. |
| Neurocognitive Convergence | 0.56 | How strongly the symbol follows AAC pictogram reading: transparent referent, concrete action, low convention load, and support. |
| Context Independence | 0.55 | How strongly meaning survives without external labels or placement cues. |
| Collective Resonance | 0.24 | How strongly public evidence supports shared recognition and persistence. |
Evidence Notes.
8 Findings Published
Evidence
Primary referent: light group 2 numeric.
Evidence
Implied function: The icon must communicate Light Group 2 in a digital interface..
Evidence
Metaphor type: functional.
Evidence
The icon's primary referent is 'light group 2 numeric,' intended to communicate 'Light Group 2' in digital interfaces as a symbolic control or status marker.
Evidence
Visual form is strong with a perceptual convergence score of 0.75, indicating good resilience to size, blur, contrast, and detail loss.
Evidence
Semantic convergence is moderate at 0.5, showing some ambiguity in extracted meaning.
Evidence
Functional convergence is 0.57, suggesting the icon moderately maps to its intended function.
Evidence
Cultural convergence is low at 0.3, reflecting limited cultural recognition and saturation.
[ TRANSFER / METRIC CHART ]
Public evidence trend
The chart shows public evidence buckets by evidence year. Cohort breakpoints appear only when an aging referent is active.
Public evidence trend
Evidence year: 2026
Evaluation
Reference point.
X axis: Evidence year
| Evidence year | Semantic Transparency | Cultural Evidence |
|---|---|---|
| 1996 | 0.00 | 0.74 |
| 1997 | 0.00 | 0.74 |
| 1998 | 0.00 | 0.74 |
| 1999 | 0.00 | 0.74 |
| 2000 | 0.00 | 0.75 |
| 2001 | 0.00 | 0.74 |
| 2002 | 0.00 | 0.75 |
| 2003 | 0.00 | 0.75 |
| 2004 | 0.00 | 0.75 |
| 2005 | 0.00 | 0.75 |
| 2006 | 0.00 | 0.75 |
| 2007 | 0.00 | 0.75 |
| 2008 | 0.00 | 0.75 |
| 2009 | 0.00 | 0.75 |
| 2010 | 0.00 | 0.75 |
| 2011 | 0.00 | 0.75 |
| 2012 | 0.00 | 0.75 |
| 2013 | 0.00 | 0.75 |
| 2014 | 0.00 | 0.75 |
| 2015 | 0.00 | 0.75 |
| 2016 | 0.00 | 0.76 |
| 2017 | 0.00 | 0.76 |
| 2018 | 0.00 | 0.76 |
| 2019 | 0.00 | 0.76 |
| 2020 | 0.00 | 0.75 |
| 2021 | 0.00 | 0.75 |
| 2022 | 0.00 | 0.75 |
| 2023 | 0.00 | 0.24 |
| 2024 | 0.00 | 0.24 |
| 2025 | 0.00 | 0.24 |
| 2026 | 0.00 | 0.24 |
asset source
Material Symbols light_group_2 SVG
Material Symbols by Google
Unofficial clarity analysis. PictoClarity is not affiliated with, endorsed by, or sponsored by Google. Material Symbols are provided by Google under their published license.
Open sourcehistorical evidence
Google Books Ngram annual buckets: light bulb cluster
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: grouped light source
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: light group 2 numeric
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: light group 2
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: group 2 numeric
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: symbolic
Google Books Ngram / 1996-2026
Annual extraction returned 20696972 records across 27 active years.
Open source[ TECHNICAL SCORECARD ]
The Metrics Behind The Case.
PCS
0.61
PictoClarity Score
STS
0.50
Semantic Transparency Score
CRI
0.60
Confusion Risk Index
VRS
0.73
Visual Readability Score
PCH
1.00
Perceptual Cohesion
RTS
0.75
Readability Test Score
SRS
0.70
Scale Robustness Score
BRS
0.84
Blur Robustness Score
TCS
0.78
Target Contrast Stability
SDS
0.74
Stroke Durability Score
SFS
0.67
Silhouette Fidelity Score
NDS
1.00
Negative Detail Score
BBS
0.05
Bounding Box Balance
CPS
1.00
Compression Preservation
PDS
1.00
Pixel Density Suitability
ORS
0.66
Orientation Robustness
CAS
0.60
Color Accessibility Score
RRS
0.37
Referent Recognition Score
FAS
0.55
Functional Association Score
SOS
0.12
Semantic Obsolescence Score
CSS
0.01
Cultural Saturation Score
ERS
0.09
Evidence Reliability Score
MTS
0.27
Metaphor Transfer Score
TDS
0.18
Temporal Decay Score
GDS
0.17
Generational Divide Score
CLL
0.41
Convention Learning Load
NTR
0.51
Neurocognitive Transfer Risk
SPS
0.30
Symbol Persistence Score
OBS
0.19
Obsolescence Signal
CTS
0.00
Cohort Transfer Slope
[ RECOMMENDED NEXT ACTIONS ]
What Improves This Pictogram.
Action
Conduct representative user testing across diverse user groups to validate semantic transparency and functional clarity before widespread publication or deployment.
Action
Maintain visible text labels or tooltips accompanying the icon in interfaces until sufficient evidence demonstrates that users reliably understand the icon's meaning without additional context.
Action
Consider enhancing contextual cues such as placement, grouping, or supplementary text to reduce confusion with neighboring interface actions, especially given the icon's moderate context independence and potential for misinterpretation.
Action
Explore design refinements to improve semantic convergence and cultural recognition, possibly by simplifying numeric elements or clarifying the grouping metaphor to better align with user expectations and reduce learned convention load.
Action
Monitor user feedback and usage analytics post-deployment to detect any persistent comprehension issues or confusion, enabling iterative improvements informed by real-world data.
[ Private testing / Admin invite ]
Request an invite for pictogram clarity screening.
Access stays invite-only during private testing.
Requests feed the admin invite queue.
Useful context helps select early pilots.