Illuminated Monument Signs: Impact, Effectiveness, and Visibility of a Lighted Sign -/1 by omahacustomsigns Published: August 1, 2024 (3 months ago) Category Business Link Illuminated Monument Signs: Impact, Effectiveness, and Visibility of a Lighted Sign Monument signs are stately and impressive structures often seen at the entrances of businesses and establishments. These signs serve as more than just landmarks; they are also a critical part of a business’s branding and marketing strategy.