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This study explores how schools in Buea, Cameroon, use visual elements on billboards—such as colors, fonts, and slogans—to attract students and parents. It breaks down the "hidden meanings" behind these advertisements using semiotic theories.

Used to create "hypnotic effects" and symbolize passion or love, though it can also represent danger. 123575

Often used on educational billboards to represent success, achievement, and luxury. This study explores how schools in Buea, Cameroon,

We develop a new concept for optical sub-wavelength discrimination of nanostructures positioned on a hyperbolic metamaterial (HMM) AIP Publishing 123575

Uses the image of a ladder to signify that knowledge is built step-by-step.