كَتَبْتُ رِسَالَةً كِتَابَةً وَاضِحَةً
Translation: I wrote a letter clearly.
كَتَبْتُ: verb plus subject pronoun.
رِسَالَةً: accusative direct object (what was written).
كِتَابَةً: accusative absolute object (the manner of writing).
وَاضِحَةً: accusative adjective modifying kitābatan.
This is a supplemental example showing that direct and absolute objects can co-occur.