Explanation:

Recruitment can be defined as searching for and obtaining a pool of potential candidates with the desired knowledge, skills and experience to allow an organisation to select the most appropriate people to fill job vacancies against defined position descriptions and specifications. The purpose of the recruitment process is to find the widest pool of applicants to provide the greatest opportunity to select the best people for the required roles in an organisation.

Selection
Once a pool of candidates has been identified through the recruitment process the most appropriate candidate, or candidates are identified through a selection process including but not limited to interviewing, reference checking and testing.  The purpose of the selection process is to ensure that the best person or people are appointed to the role or roles using effective, fair and equitable assessment activities.