Concept – Object – Product

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There has been a lot of confusion about different types of libraries. There seems to be a consensus on three different forms: concept, object and product libraries.

A product is something that is actually available for sale at a producer or supplier. A door in a product library is therefore a door with a specific width, height, material, supplier and the like. Often also a product number has been entered and sometimes even a delivery time, price, etc.

An object is seen as a product that does not carry a specific supplier or producer yet. In which case a door can have a set width, height and material, but in this case no supplier, delivery time, price, etc. (Indications of price and delivery time can occur, but not specified). Objects are often used earlier in the process to create a more specific design, where after they are later replaced by supplier-specific objects/products.

A ‘concept’ is an object that has no values yet. A concept of a door only tells you that a door has ‘one’ width, height and material. The values have not (yet) been entered. On policy level, a lot of attention has been given to concept libraries and even units and relationships between concepts have been set. BSDD is an example of a concept library.

Libraries are available for a concept, object and product.

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