[ PICTOGRAM CASE HISTORY ]
Material Symbols Nest Thermostat E Eu Icon (Outlined). Needs intervention.
Visible referent: nest thermostat e eu. Intended message: The icon must communicate Nest Thermostat E Eu in a digital interface.. The report separates observed asset evidence, submitted context, and public evidence signals.
0.61
PCS
0.40
CLL
0.48
NTR
[ FEATURED PICTOGRAM ]
pictoclarity / material-symbols-nest-thermostat-e-eu-outlined
Output - Material Symbols Nest Thermostat E Eu Icon (Outlined)
Assessing the communicative effectiveness of the Nest Thermostat E Eu icon
This reviewed catalog report estimates clarity for Nest Thermostat E Eu in default interface contexts. Scores are screening estimates and do not replace user testing.
0.61
PCS
PictoClarity Score
0.40
CLL
Convention Learning Load
0.48
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 Thermostat E Eu icon in the outlined style.
02
Primary Finding
Primary referent: nest thermostat e eu.
03
Metric Reading
Implied function: The icon must communicate Nest Thermostat E Eu in a digital interface..
04
Public Recommendation
Conduct representative user testing across diverse user groups to validate semantic transparency and functional clarity before widespread deployment.
[ EVIDENCE SCREENING ]
What The Estimate Surfaces.
Semantic Transparency Score
Input
Expected
Estimated
0.53
Confusion Risk Index
Input
Possible
Estimated
0.54
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
0.26
Balance
0.69
Perceptual
0.75
Semantic
0.53
Functional
0.57
Cultural
0.31
Temporal
0.57
Neurocognitive
0.59
Context Independence
0.57
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 | 0.53 | How strongly extracted meaning converges on one interpretation. |
| Functional Convergence | 0.57 | How strongly the symbol maps to the intended function. |
| Cultural Convergence | 0.31 | How strongly recognition holds across cultural evidence and assumptions. |
| Temporal Convergence | 0.57 | How strongly meaning persists over time without semantic decay. |
| Neurocognitive Convergence | 0.59 | How strongly the symbol follows AAC pictogram reading: transparent referent, concrete action, low convention load, and support. |
| Context Independence | 0.57 | 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 thermostat e eu.
Evidence
Implied function: The icon must communicate Nest Thermostat E Eu in a digital interface..
Evidence
Metaphor type: functional.
Evidence
The icon effectively represents the Nest Thermostat E EU as a compact symbolic control in digital interfaces, with a strong perceptual convergence score (0.75) indicating good visual resilience across size, blur, and contrast variations.
Evidence
Semantic convergence (0.53) and functional convergence (0.57) are moderate, showing the icon generally communicates its intended meaning and function but with some ambiguity.
Evidence
Cultural convergence is low (0.31), reflecting limited widespread recognition and cultural saturation of the symbol, partly due to the niche and recent nature of the Nest Thermostat E EU device.
Evidence
Temporal convergence (0.57) suggests moderate persistence of meaning over time without significant semantic decay, supported by steady semantic transparency scores for related terms like 'thermostat' and 'smart thermostat' in annual evidence.
Evidence
Neurocognitive convergence (0.59) indicates the icon moderately supports transparent pictogram reading, but the convention learning load (0.4) and neurocognitive transfer risk (0.48) highlight that some users may struggle to infer meaning without additional cues.
[ 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 | 0.75 | 0.74 |
| 1997 | 0.74 | 0.74 |
| 1998 | 0.75 | 0.74 |
| 1999 | 0.75 | 0.74 |
| 2000 | 0.76 | 0.75 |
| 2001 | 0.75 | 0.74 |
| 2002 | 0.75 | 0.75 |
| 2003 | 0.75 | 0.75 |
| 2004 | 0.75 | 0.75 |
| 2005 | 0.75 | 0.75 |
| 2006 | 0.75 | 0.75 |
| 2007 | 0.76 | 0.75 |
| 2008 | 0.75 | 0.75 |
| 2009 | 0.76 | 0.75 |
| 2010 | 0.76 | 0.75 |
| 2011 | 0.76 | 0.75 |
| 2012 | 0.76 | 0.75 |
| 2013 | 0.76 | 0.75 |
| 2014 | 0.76 | 0.75 |
| 2015 | 0.78 | 0.75 |
| 2016 | 0.78 | 0.76 |
| 2017 | 0.78 | 0.76 |
| 2018 | 0.78 | 0.76 |
| 2019 | 0.77 | 0.76 |
| 2020 | 0.77 | 0.75 |
| 2021 | 0.78 | 0.75 |
| 2022 | 0.78 | 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_thermostat_e_eu 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: thermostat
Google Books Ngram / 1996-2026
Annual extraction returned 21320997 records across 27 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: smart thermostat
Google Books Ngram / 1996-2026
Annual extraction returned 7218645 records across 27 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: nest thermostat e eu
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: nest thermostat e
Google Books Ngram / 1996-2026
Annual extraction returned 0 records across 0 active years.
Open sourcehistorical evidence
Google Books Ngram annual buckets: thermostat e eu
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
0.53
Semantic Transparency Score
CRI
0.54
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
0.66
Silhouette Fidelity Score
NDS
1.00
Negative Detail Score
BBS
0.03
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
0.40
Convention Learning Load
NTR
0.48
Neurocognitive Transfer Risk
SPS
0.31
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 deployment.
Action
Maintain visible text labels or tooltips alongside the icon until user testing confirms that the icon alone reliably communicates the Nest Thermostat E EU function.
Action
Improve icon placement and surrounding context in interfaces to reduce confusion with neighboring controls, especially given moderate context independence and potential for user confusion.
Action
Consider design refinements to improve bounding box balance and silhouette fidelity to enhance rapid visual recognition, especially at small sizes.
Action
Monitor cultural adoption and recognition trends over time to assess if the icon gains stronger cultural convergence and collective resonance, adjusting design or labeling strategies 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.