The old-established groups in the information profession... have come to recognise that many other social groups are concerned with information trans… - Brian Campbell Vickery

# The general structural features of the system considered as a network of units of information linked to each other and to documentary items. This may be called structural analysis.

The field of study [of information science] is so wide and varied; research is necessarily restricted to accessible areas; it often (and rightly) has the practical aim of providing guidance in a specific situation, rather than searching for generalisations; the isolation of variables for investigation is often so difficult; rarely can confirmatory experiments be undertaken.

Information science is concerned with every aspect of the chain of information transfer activities, but the heart of its interest is information search.