Whatever purpose an image is used for, there is normally a process of selecting the one that is most appropriate for the job. This can mean choosing from a range of available images or deciding on the sort of image required and either sourcing it or arranging for it to be produced/photographed. In order to do this, it is important to understand the various ways in which images are produced and where they can be found.

Before you get to this stage in the process, you will need an understanding of the intended audience and the meanings associated with, for example, symbols.

Other factors not to be overlooked when selecting images include social and legal issues and the need, with some exceptions, to credit the author, artist, ...

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