to understand or comprehend something difficult
comprendre quelque chose de difficile (comprendre quelque chose de difficile)
"It took me a while to wrap my head around the new software."
"Il m'a fallu un moment pour comprendre le nouveau logiciel." (il ma fallu un moment pour comprendre le nouveau logiciel)
to express yourself so that others understand you easily
to discuss something without addressing it directly
to respond to information with action
the use of hacking to promote political or social causes
to repair a relationship
to relax after a period of hard work