This ad by Eskom
Overall interpretation
A public service advertisement by Eskom urging consumers to conserve energy, using the visual metaphor of a billboard that is only partially illuminated to represent the consequences of power shortages.
Evidence and interpretation
What the ad visibly shows, and what each detail may mean.
Observation The Eskom logo and brand name appear below the slogan on the lit portion of the billboard. Interpretation The advertisement's primary message is a direct call to action for consumers to reduce their electricity consumption to prevent power outages. Concepts: informational appeal 1 further reading
Other readings connected to the same visible detail.
The message targets the general public in regions where Eskom is the primary electricity provider, specifically those who may be experiencing or anticipating power cuts.
Observation A large billboard structure is shown against a dark, twilight sky. The left two-thirds of the billboard are completely black and unlit, while the right third is brightly illuminated. Interpretation The visual composition acts as a visual metaphor where the unlit portion of the billboard represents the 'darkness' or load-shedding that results from excessive electricity usage, while the lit portion represents the functioning grid. Concepts: visual metaphor, signifier 1 further reading
Other readings connected to the same visible detail.
The ad utilizes a stark contrast between light and dark to create a sense of urgency and demonstrate the immediate consequence of not following the advice.
Concepts used in this analysis
Ideas that connect this advertisement to broader patterns of meaning.
- Contrast
Contrast creates meaning by putting differences next to each other. Light and dark, big and small, plain and ornate, or calm and busy can steer attention and make one element feel more important.
- Cultural Identity
Cultural identity is the part of identity shaped by heritage, community, and familiar signs. Ads often borrow it to make products feel rooted, authentic, or emotionally close.
- Fear
- Informational Appeal
- Signifier
A signifier is something you can point to in the ad before deciding what it means: a face, object, word, color, type treatment, gesture, or spatial relationship. Calling something a signifier does not yet tell us what it signifies.
- Visual Metaphor
An ad uses visual metaphor when one thing stands in for another through resemblance, substitution, or a deliberate visual pairing. The image asks you to read beyond the literal scene.
About this interpretation
Interpretations are arguments, not facts. Signum keeps the visible evidence and the readings built from it inspectable so they can be challenged rather than treated as objective truth.