headwork
Kelime Anlamı :

1. kafa işi.
2. (isim) kafa işi.
3. zihni çalışma.
Tanımlar :
1. mental activity or work; thought.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. mental or intellectual labour.
2. the use of logic and clear thinking to do something.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. mental labor.
from the GNU version of the Collaborative International Dictionary of English