Window shopping

Window shopping is an idiom that has been in use since the 1800s, though the activity has been enjoyed since seventeenth century. An idiom is a commonly used word, group of words, or phrase that has a figurative meaning that is not easily deduced from its literal definition. Often using descriptive imagery or metaphors, common […]
from Grammarist
https://grammarist.com/idiom/window-shopping/