olemus
(1a) ISO 5127, ISO 14416:
trükise osade täielikkuse kontroll
ja õigesse järjestusse paigutamine
= checking for completeness and for putting the leaves, issues or sections of a book or serial publication in the correct order
https://en.wikipedia.org/wiki/Collation
https://collation.folger.edu/2011/08/welcome-to-the-collation/

(1b) ISO/IEC TR 30112, ISO/IEC TR 10176, ISO 14651:
stringide loogiline järjestamine
määratletud järjestusreeglite põhjal
= the logical ordering of strings according to defined precedence rules
https://unicode-org.github.io/icu/userguide/collation/