Compare two ways to describe someone's courage:
“Fulān asad” — “that man is a lion.” The context excludes an actual animal; bravery is conveyed through resemblance.
“Fulān lā yahābu liqāʾa al-ʿaduww” — “he does not fear meeting the enemy.” The statement can indicate bravery as a concomitant without excluding the literal act described.
Both express courage, yet the first transfers “lion” to a human referent, while the second mentions a trait or behavior from which courage is inferred.