encode
verb [ T ]
uk/ɪnˈkəʊd/ us/-ˈkoʊd/ IT
to put information into a form in which it can be stored, and which can only be read using special technology or knowledge:
HTML is the programming language used to encode documents to that they can be displayed on any computer which has access the Web.
Each box of medicine has a label encoded with a unique ID number linked to a database.
encoding
noun [ U ]
Let's review the encoding and decoding of this information.