pin·point
ˈpinˌpoint/
noun
noun: pinpoint; plural noun: pinpoints; noun: pin-point; plural noun: pin-points
1.
a tiny dot or point.
"a pinpoint of light from a flashlight"
synonyms:point, spot, speck, dot, speckle
"a pinpoint of light"
adjective
adjective: pinpoint; adjective: pin-point
1.
absolutely precise; to the finest degree.
"this weapon fired shells with pinpoint accuracy"
synonyms:precise, strict, exact, meticulous,scrupulous, punctilious, accurate,careful
"pinpoint accuracy"
tiny.
"a pinpoint laser beam"
verb
verb: pinpoint; 3rd person present: pinpoints; past tense: pinpointed; past participle: pinpointed; gerund or present participle: pinpointing; verb: pin-point; 3rd person present: pin-points; past tense: pin-pointed; past participle: pin-pointed; gerund or present participle: pin-pointing
1.
find or locate exactly.
"one flare had pinpointed the target"
synonyms:identify, determine, distinguish,discover, find, locate, detect, track down, spot, diagnose, recognize, pin down, home in on, put one's finger on
"pinpoint the cause of the trouble"