She knew from a young age that her sole 'purpose' (in life) was to be a writer. [=she knew that all she wanted (in life) was to be a writer]
We were happy to know that the money was being used 'for a good purpose'. [=for something useful, important, etc.]
There's little/no 'purpose' in restarting the process. [=there is little/no reason to start the process again]
(..) Hey, that's an alexandrine. Sorry? You-could-just-take-the-time To-read-the-pos-ter-line feet rhyme. - That wasn't on purpose. - Your catchphrase is "Just in time". Oh that's why you put Dali's watches.. A little artistic touch. Maybe... (..)2011 The Intouchables