But this structure

is: noun + of +

noun Perception + of +

persons In this particular case, of marks a noun as modifying another noun. We don’t speak about perception. I am only talking about perception associated with individuals. What is the truth?

From the dictionary :

of :

1. Associated with or adhering to: the people of your religion.

2. The Centering in Foreground: “A love of horses.

What is the difference between life span & death?

Possible options:

• confusing; abstruse
• incoherent; inarticulate
• tongue-tied; word-bound (about a speaker and not a phrase, though)
• cumbersome.