Recruitment is the process of searching for prospective employees to fill job vacancies within an organization. It is an essential function of human resource management and involves attracting, screening, and selecting qualified candidates for employment. The correct answer is option 'D'.

Recruitment Process:
1. Understanding Job Requirements:
Before initiating the recruitment process, the organization needs to have a clear understanding of the job requirements. This includes defining the roles and responsibilities, skills, qualifications, and experience needed for the position.

2. Sourcing Candidates:
Once the job requirements are identified, the organization can start searching for prospective candidates. This can be done through various methods such as internal referrals, job portals, social media platforms, recruitment agencies, campus placements, etc.

3. Screening and Shortlisting:
After sourcing candidates, the next step is to screen their applications or resumes. This involves reviewing their qualifications, experience, skills, and other relevant factors to determine if they meet the job requirements. The organization then shortlists the most suitable candidates for further evaluation.

4. Evaluating and Selecting Candidates:
The shortlisted candidates are then evaluated through various selection methods such as interviews, tests, assessments, group discussions, etc. These methods help assess the candidates' knowledge, skills, abilities, and fit with the organization's culture. Based on the evaluation, the organization selects the best candidate for the job vacancy.

5. Job Offer and Onboarding:
Once the candidate is selected, the organization extends a job offer, including details about compensation, benefits, and other terms and conditions. If the candidate accepts the offer, the onboarding process begins, which includes completing necessary paperwork, orientation, and integration into the organization.

Importance of Recruitment:
- Ensures a pool of qualified candidates: Recruitment helps organizations attract a diverse pool of qualified candidates, increasing the chances of finding the best fit for the job vacancy.
- Enhances organizational performance: Hiring the right candidates with the required skills and qualifications contributes to improved organizational performance and productivity.
- Reduces turnover: Effective recruitment practices can help reduce turnover by selecting candidates who are a good fit for the organization, resulting in higher employee satisfaction and retention.
- Supports growth and expansion: Recruitment is crucial for organizations' growth and expansion plans as it allows them to fill new positions and acquire talent to meet their changing needs.

In conclusion, recruitment is the process of searching for prospective employees to fill job vacancies. It involves understanding job requirements, sourcing candidates, screening and shortlisting, evaluating and selecting candidates, and finally making a job offer and onboarding the chosen candidate.