[ PICTOGRAM CASE HISTORY ]
Material Symbols Nest Eco Leaf Icon (Outlined). Needs intervention.
Visible referent: nest eco leaf. Intended message: The icon must communicate Nest Eco Leaf 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-nest-eco-leaf-outlined
Output - Material Symbols Nest Eco Leaf Icon (Outlined)
Assessing the communicative effectiveness of the Nest Eco Leaf icon
This reviewed catalog report estimates clarity for Nest Eco Leaf 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 Nest Eco Leaf icon in the outlined style.
02
Primary Finding
Primary referent: nest eco leaf.
03
Metric Reading
Implied function: The icon must communicate Nest Eco Leaf in a digital interface..
04
Public Recommendation
Conduct representative user testing across diverse user groups to validate semantic transparency and functional understanding before wide 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
0.81
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
0.25
Balance
0.68
Perceptual
0.79
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 | 0.79 | 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: nest eco leaf.
Evidence
Implied function: The icon must communicate Nest Eco Leaf in a digital interface..
Evidence
Metaphor type: functional.
Evidence
The icon has strong perceptual clarity with a high visual readability score (0.81) and robustness to size, blur, and contrast variations, making it visually effective across platforms.
Evidence
Semantic and functional convergence scores are moderate (0.50 and 0.57 respectively), indicating the icon moderately communicates the intended Nest Eco Leaf meaning and function but may require some user learning or contextual support.
Evidence
Cultural convergence is low (0.30) with a referent recognition score of 0.37 and functional association score of 0.55, suggesting limited widespread cultural recognition and some risk of confusion with similar leaf or eco-related icons.
Evidence
Temporal convergence (0.56) and neurocognitive convergence (0.56) are moderate, indicating the icon's meaning is somewhat stable over time and reasonably accessible cognitively, but not fully transparent without learned conventions.
Evidence
Context independence is moderate (0.55), meaning the icon's meaning can survive without external labels or placement cues to some extent, but users may still need supporting context.
[ 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 | 0.70 | 0.74 |
| 1997 | 0.71 | 0.74 |
| 1998 | 0.67 | 0.74 |
| 1999 | 0.70 | 0.74 |
| 2000 | 0.73 | 0.75 |
| 2001 | 0.67 | 0.74 |
| 2002 | 0.28 | 0.75 |
| 2003 | 0.28 | 0.75 |
| 2004 | 0.28 | 0.75 |
| 2005 | 0.71 | 0.75 |
| 2006 | 0.70 | 0.75 |
| 2007 | 0.72 | 0.75 |
| 2008 | 0.28 | 0.75 |
| 2009 | 0.70 | 0.75 |
| 2010 | 0.67 | 0.75 |
| 2011 | 0.28 | 0.75 |
| 2012 | 0.69 | 0.75 |
| 2013 | 0.73 | 0.75 |
| 2014 | 0.77 | 0.75 |
| 2015 | 0.75 | 0.75 |
| 2016 | 0.73 | 0.76 |
| 2017 | 0.74 | 0.76 |
| 2018 | 0.78 | 0.76 |
| 2019 | 0.77 | 0.76 |
| 2020 | 0.75 | 0.75 |
| 2021 | 0.77 | 0.75 |
| 2022 | 0.75 | 0.75 |
| 2023 | 0.28 | 0.24 |
| 2024 | 0.28 | 0.24 |
| 2025 | 0.28 | 0.24 |
| 2026 | 0.28 | 0.24 |
asset source
Material Symbols nest_eco_leaf 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: eco leaf
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: leaf in digital interfaces
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: leaf in digital
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: in digital interfaces
Google Books Ngram / 1996-2026
Annual extraction returned 6755999 records across 22 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: nest eco leaf
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
0.79
Visual Readability Score
PCH
1.00
Perceptual Cohesion
RTS
0.81
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
0.82
Silhouette Fidelity Score
NDS
1.00
Negative Detail Score
BBS
0.48
Bounding Box Balance
CPS
1.00
Compression Preservation
PDS
1.00
Pixel Density Suitability
ORS
0.82
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 understanding before wide deployment.
Action
Maintain visible text labels or tooltips alongside the icon until user familiarity and semantic clarity are confirmed to reduce confusion risks.
Action
Ensure consistent placement and contextual cues in the interface to mitigate possible confusion with neighboring icons or controls.
Action
Consider enhancing the icon's cultural resonance by pairing it with explanatory text or integrating it within a well-established eco-friendly icon set.
Action
Monitor user feedback and usage analytics post-deployment to detect any comprehension issues and adapt icon usage accordingly.
[ 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.