olemus
(1a) üldkeelsetes tähendustes
Wiktionary:
1. agreement; accordance; consonance
(1b) statistikas: kahe muutuja vahelise ühtuvuse määr
= the agreement between two variables
https://en.wikipedia.org/wiki/Concordance_correlation_coefficient
https://en.wikipedia.org/wiki/Concordant_pair
http://ibmi3.mf.uni-lj.si/ibmi/biostat-center/predtiski/CS_Vidmar_Rode_VisualConcord.pdf
(1c) muus eritähenduses, näiteks
https://en.wikipedia.org/wiki/Concordance_(genetics)
https://en.wikipedia.org/wiki/Consilience
https://en.wikipedia.org/wiki/Inter-rater_reliability

vt ka
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