Final answer:
Information stickers affixed to exterior entrances in an operation should be colorful and eye-catching, minimalistic and discreet, and written in multiple languages.
Step-by-step explanation:
In an operation, information stickers affixed to exterior entrances should be colorful and eye-catching, minimalistic and discreet, and written in multiple languages. Colorful and eye-catching stickers can attract attention and make important information stand out. Minimalistic and discreet stickers can convey information without overwhelming the viewer. Lastly, stickers written in multiple languages can cater to a diverse customer base and promote inclusivity.