What is the exact interpretation of value added?

It is excellent question

Value added mean all the added values to the unit in all the process of production.

Adding raw material is added value

Adding good package is another example

Quality control is not an added value as it should be already qualified

Customer service that helps the grantees is not also .

These are according to the international slandered .

Thank you for the invitation .

Thanks for invitation,

Value added: is usually refer to "extra" feature / features of an item of interest (product, service, person etc.) that go beyond the standard expectations and provide something "more".

Or, it is the feature / features that give competitive edges to the organization against its market's competitors.

The word "value-added" means each entrance of raw materials or services or otherwise, which may be added to the service or item during processing

Addition of features in a commodity / ore / model that also successfully can generate a consumption pattern by buyer or consumer paying additional marginal value.