Noun
(uncountable) The process of concretizing a general principle or idea by delineating, particularizing, or exemplifying it.
(countable) Something specific which is the result of a process of concretizing a general principle or idea.
(uncountable, medicine, psychology) An inability to generalize or perform abstraction accompanied by excessive concentration on specific details, as in a mental disorder or in cognition by children.
Source: en.wiktionary.orgDedicated to Collaboration & Co-creation - We support you in your individual innovation journey and help you foster tomorrow's reality – from ideation to concretization – based on your specific needs. Source: Internet
And in writing, the concretization of concepts is accomplished by language. Source: Internet