Synonyms for "objective"

I have a problem with synonyms for "objective" in the following example: “Select an objective product as the subject for studying Collect the products that are already available on the market Divide the product into several elements according to their functions and construct the basic form categories of each element by using a morphological chart Select the adequate image words to establish the relationships between product forms and their image perceptions Analyze the image score for each product element by using quantification method and construct a network system from input to output Construct a computer aided product form design and image evaluation system by the analyzed results Use the constructed computer-aided design system to infer the design suggestion by inputting the required image and then present a rendered 3D model and predict its image feelings.”