Answer:
Intangibility
Explanation:
The intangibility refers to the unseen and untouchable in a nature that means no one can seen or even touched and contain the intangible in a nature
And we also know that the service is an intangible in nature as we cannot seen or even touched the service.
So in the given case, since the businesses want to communicate the higher level of service by their employees via clean, sharp looking, and well dressed so it reflects the intangible service characteristic