What is the meaning of Marshalling?

present participle and gerund of marshal

The process of transforming the memory representation of an object to a data format suitable for storage or transmission, which is typically used when data must be moved between different parts of a computer program, or from one program to another.

The arrangement of an escutcheon to exhibit the alliances of the owner.

The sorting of rolling stock in a marshalling yard.

Source: wiktionary.org