[ PICTOGRAM CASE HISTORY ]

Material Symbols Backlight Low Icon (Outlined). Usable with support.

Visible referent: backlight low. Intended message: The icon must communicate Backlight Low in a digital interface.. The report separates observed asset evidence, submitted context, and public evidence signals.

0.66

PCS

0.42

CLL

0.48

NTR

[ FEATURED PICTOGRAM ]

Paper

Ink

pictoclarity / material-symbols-backlight-low-outlined

Output - Material Symbols Backlight Low Icon (Outlined)

Assessing the communicative effectiveness of the Backlight Low icon

This reviewed catalog report estimates clarity for Backlight Low in default interface contexts. Scores are screening estimates and do not replace user testing.

Mobile appWeb appDesktop app

0.66

PCS

PictoClarity Score

0.42

CLL

Convention Learning Load

0.48

NTR

Neurocognitive Transfer Risk

Read Evidence→

[ 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.

Submitted Context

Framework output for the Material Symbols Backlight Low icon in the outlined style.

Primary Finding

Primary referent: backlight low.

Metric Reading

Implied function: The icon must communicate Backlight Low in a digital interface..

Public Recommendation

Conduct representative user testing with diverse user groups, including those with varying platform conventions and accessibility needs, to validate semantic transparency and functional clarity before publication.

[ EVIDENCE SCREENING ]

What The Estimate Surfaces.

Semantic Transparency Score

Input

Expected

→

Estimated

0.59

Confusion Risk Index

Input

Possible

→

Estimated

0.51

Readability Test Score

Input

Visual

→

Estimated

0.83

PictoClarity Score

Input

Estimated

→

Estimated

0.66

Usable with support 0.66

The pictogram works, but labels or testing remain important. 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

Current report

The pictogram works with labels or context.

Pair it with text and monitor interpretation.

0.50-0.64

Needs intervention

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

0.36

Balance

0.83

Perceptual

0.80

Semantic

0.59

Functional

0.59

Cultural

0.53

Temporal

0.51

Neurocognitive

0.59

Context Independence

0.63

Collective Resonance

0.54

Weakest Axis

Temporal Convergence

How strongly meaning persists over time without semantic decay.

Strongest Axis

Perceptual Convergence

How strongly visual form survives size, blur, contrast, and detail loss.

Convergent meaning profile
Axis	Score	Description
Perceptual Convergence	0.80	How strongly visual form survives size, blur, contrast, and detail loss.
Semantic Convergence	0.59	How strongly extracted meaning converges on one interpretation.
Functional Convergence	0.59	How strongly the symbol maps to the intended function.
Cultural Convergence	0.53	How strongly recognition holds across cultural evidence and assumptions.
Temporal Convergence	0.51	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	0.63	How strongly meaning survives without external labels or placement cues.
Collective Resonance	0.54	How strongly public evidence supports shared recognition and persistence.

Evidence Notes.

8 Findings Published

Evidence

Primary referent: backlight low.

Evidence

Implied function: The icon must communicate Backlight Low in a digital interface..

Evidence

Metaphor type: functional.

Evidence

The icon's primary referent is 'backlight low' and it is intended to communicate this function clearly in digital interfaces across mobile, web, and desktop platforms.

Evidence

Visual metrics indicate strong perceptual clarity with an overall visual score of 0.82, showing good resilience to size reduction, blur, and contrast loss, supporting recognition at small sizes (minimum 24x24).

Evidence

Semantic and functional convergence scores are moderate (around 0.59), indicating the icon generally maps well to its intended meaning and function but may require some learned convention.

Evidence

Cultural convergence is lower (0.53) with moderate referent recognition (RRS 0.58) and functional association (FAS 0.6), suggesting some variability in recognition across different user groups and contexts.

Evidence

Temporal convergence is the weakest axis (0.51), indicating some semantic obsolescence and meaning decay over time, though the symbol still maintains moderate persistence as a convention (SPS 0.46).

[ 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

Public evidence trend
Evidence year	Semantic Transparency	Cultural Evidence
1996	0.75	0.74
1997	0.75	0.74
1998	0.75	0.74
1999	0.75	0.74
2000	0.75	0.75
2001	0.76	0.74
2002	0.76	0.75
2003	0.76	0.75
2004	0.77	0.75
2005	0.77	0.75
2006	0.77	0.75
2007	0.77	0.75
2008	0.77	0.75
2009	0.77	0.75
2010	0.77	0.75
2011	0.78	0.75
2012	0.78	0.75
2013	0.78	0.75
2014	0.77	0.75
2015	0.78	0.75
2016	0.77	0.76
2017	0.76	0.76
2018	0.76	0.76
2019	0.77	0.76
2020	0.76	0.75
2021	0.76	0.76
2022	0.76	0.75
2023	0.60	0.59
2024	0.60	0.59
2025	0.59	0.60
2026	0.57	0.59

0.51

Confusion Risk Index

VRS

0.80

Visual Readability Score

PCH

1.00

Perceptual Cohesion

RTS

0.83

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

0.85

Silhouette Fidelity Score

NDS

1.00

Negative Detail Score

BBS

0.57

Bounding Box Balance

CPS

1.00

Compression Preservation

PDS

1.00

Pixel Density Suitability

ORS

0.85

Orientation Robustness

CAS

0.60

Color Accessibility Score

RRS

0.58

Referent Recognition Score

FAS

0.60

Functional Association Score

SOS

0.36

Semantic Obsolescence Score

CSS

0.60

Cultural Saturation Score

ERS

0.54

Evidence Reliability Score

MTS

0.44

Metaphor Transfer Score

TDS

0.57

Temporal Decay Score

GDS

0.28

Generational Divide Score

CLL

0.42

Convention Learning Load

NTR

0.48

Neurocognitive Transfer Risk

SPS

0.46

Symbol Persistence Score

OBS

0.19

Obsolescence Signal

CTS

0.00

Cohort Transfer Slope

[ RECOMMENDED NEXT ACTIONS ]

What Improves This Pictogram.

Action

Maintain visible text labels or tooltips alongside the icon until sufficient evidence confirms that users reliably understand the icon's meaning without additional cues.

Action

Enhance contextual cues in the interface, such as placement and labeling, to reduce confusion with neighboring interface actions like brightness increase or volume control.

Action

Consider iterative design improvements to increase cultural saturation and reduce semantic obsolescence, possibly by simplifying or clarifying visual elements to strengthen temporal convergence.

Action

Monitor evolving user familiarity and cultural recognition over time to ensure the icon remains effective and update design guidelines 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.