Definition of "pinpoint"

What was once an astonishing, one-off discovery in 2005 may prove to be just a pinpoint in a global distribution of animals of which we previously knew nothing.

2012, Caspar Henderson, The Book of Barely Imagined Beings, page 364

The 28-year-old not only hassled the visitors' midfield but also delivered pinpoint balls with alarming accuracy as far as the east Londoners were concerned.

2011 January 5, Saj Chowdhury, “Newcastle 0 - 0 West Ham”, in BBC‎

It would defeat the purpose of secret surveillance if individuals were able to pinpoint exactly when the police were likely to be listening in on their conversations and adapt their behaviour accordingly, and the [European] Court [of Human Rights] has not interpreted Article 8 to require that this information should be provided to individuals, either before, during, or after they have been the subject of surveillance measures.

2017 November 7, Bernadette Rainey, Elizabeth Wicks, Clare Ovey, Jacobs, White, and Ovey. The European Convention on Human Rights, Oxford: Oxford University Press, page 411