Decals, stickers, painted or otherwise applied insignias and lettering, placed in windows or doors, designed to be viewed by pedestrians immediately nearby on abutting sidewalks. This exemption applies only to those decals, stickers, painted or otherwise applied messages less than 100 square inches in area. Examples include: credit cards accepted, health care plans excepted, "open" message with product advertising, "pull" message with product advertising, security system installed notice/warning, no smoking, civic/business association membership, county health department inspection stickers, products, etc. The area covered by these signs shall count against the allowable display area permitted in § 330-907B.