What are valuation area valuation category and valuation class?

I suppose you mean a survey to establish area? Surveyors do this with long tapes, for an area of an acre or more they would probably use a theodolite, which enables angles to be measured, to get the...

Determination of the value (price) of the goods (certainly imported one)

If you are the owner of a business and you think it's about time you retired or simply if you want to sell your business for personal or professional reasons, you are definitely going to need a...

You collect information on recent sales of similar properties in the same area and use them to gauge the market value of your property. If there are no comparable properties, you search wider afield,...

It is the act or process of assessing value or price; an appraisal.