Signs, namely their design and quality, form a preliminary opinion about the business among potential customers. For this, it is necessary to correctly choose its dimensions, shape, color, font, and location. Most often, it corresponds to the brand's corporate style, and in some cases to the style of the structure on which it is located. An advertising sign, the design, manufacture, or installation of which was approached without due attention, can cause the opposite effect.

The sign is an important element of the appearance of shops, offices, restaurants, cafes, and salons. It positively affects impulse purchases and must be bright, visible, and informative enough to attract attention.

Depending on the presence/absence of light elements, facade signs are divided into the following types:

• Illuminated (illuminated) - such signs mean all day, every day. Informing visitors during daylight hours, they perform an advertising function outside of working hours;
• Non-luminous (non-illuminated) - more economical.

Illuminated signs, in turn, are divided into:

• Illuminated signs, in turn, are divided into: (volumetric letters, boxes, brackets, etc.);
• Signs with external illumination (spotlight).