Interpretation of horizontal markers

A huge banner and slogan.

Word decomposition

The horizontal interpretation is parallel to the ground, not "vertical" and "straight": beam. A beam, a flag. Banners. Horizontal approval. Cross-string (long banner calligraphy and painting). Transverse plaque. A horizontal mark across the sky. Left and right, perpendicular to the visual direction, opposite to "vertical", "straight" and "vertical": horizontal writing. Row by row. The end of a sideways tree extends to the surface, not the root: a specimen. Treat the symptoms, not the root cause. Mark: trademark. Road signs. Mark. Sign. Ruler's slogan To express in words or other things: express. Title. Price tag. Advertise (originally for revealing and displaying; Later extended to propaganda and boasting).