What is the meaning of Padding?

present participle and gerund of pad

Soft filling material used in cushions etc.

Extra characters such as spaces added to a record to fill it out to a fixed length.

Extraneous text added to a message for the purpose of concealing its beginning, ending, or length.

Anything of little value used to fill up space.

Robbing on a highway.

The process of mordanting a fabric.

wall

Source: wiktionary.org