Particular

Definitions: (1) worthy of attention and regard; special; not ordinary; noteworthy; (2) extremely careful, detailed, or meticulous; (3) singularly precise in preference; fastidious; (4) unique to an individual; an outstanding characteristic

Synonyms: appropriate, distinct, exact, exclusive

Quotes:
• Everyone has been made for some particular work, and the desire for that work has been put in every heart. — Jalāl al-Dīn Muḥammad Rumi (1207–1273) Persian Sufi poet
• Before achieving a dream, you need to make very little steps. When you want to make a big dream [come true] you have a lot of fastidious little things you have to do. — Bertrand Piccard (1958-) Swiss explorer, psychiatrist, & environmentalist