3-D advice black clear communicating communication conditional conditions eye-catching glassy indication information informative informing insiders limited-access liquidy no-public-access notification notifying plastic prohibition raised restriction security semi-transparent sign signs staff staff-only transparent warning words workers advertising color colored colors colour coloured colours for-sale light opportune opportunity potential promoting promotion promotional purchasable reflective sale selling standing-out suggestive tactile abstract background blended blue-green coloration contrast crafted decorative distinctive glass lighting perspectives presentation shaped shapes stained-glass style surface surfaced surfaces surfacing texture textured textures thick thin wallpaper window blue appearance arrow expressing expression golden symbolic African-daisy bubbles bubbly colorful colourful curved curves daisies design details flowering-plant flowers flowery interconnected interlinked lines liquid molten patterns petals pink shape vibrant atmosphere backdrop bright circles circular cooling dark flow geometric geometrical intermeshed movement reflecting streams translucent water weather wet designed lettering metallic patterned shiny center centre demtal-care dental identification indentifying letters medical rounded surgery clean cleanliness hand-wash hand-washing hands health hygiene hygienic soap suds symbols washing washing-hands