Test How We Communicate Abstractions through the Concrete

1st QUESTION: What is the only way to make abstract objects comprehensible and communicable, according to the text?

They are sin itself, not a representation
They are the concrete objects in which the abstract concept is anchored to be communicated
They are examples of abstract concepts that are difficult to understand
They represent the concept of education in Western culture

That each individual can anchor the same abstract concept to different concrete objects
That love is a concept that only adults can understand
That puppies are a universally accepted symbol for all concepts
That abstract objects cannot be marketed

A debate to decide which abstract concept is more important
The process of finding a common symbol that the interlocutors accept as valid for interaction
The sale of objects that represent ideas, such as postcards or roses
A technique to completely avoid the use of symbols in communication