The Canada Institute for Scientific and Technical Information's (CISTI) Collection Development Policy:
The following terms are used in this Policy and are defined below.
"The process of planning and building a useful and balanced collection of library materials over a period of years, based on an ongoing assessment of the information needs of the library's clientele, analysis of usage statistics, and demographic projections, normally constrained by budgetary limitations. Collection development includes the formulation of selection criteria, planning for resource sharing, and replacement of lost and damaged items, as well as routine selection and deselection decisions." ODLIS - Online Dictionary for Library and Information Science (by following this link you will be leaving the NRC-CISTI web site).
"Measures taken on a routine basis or as needed to preserve the materials in a library collection in usable condition, including mending, repairing, binding, rebinding, and reformatting." ODLIS - Online Dictionary for Library and Information Science (by following this link you will be leaving the NRC-CISTI web site).