Community development models allow communities to improve their surroundings and vary based on factors like community needs, available funds, and economic situations. There are three main types of models: needs-based which focus on addressing specific community needs; goal-oriented which set goals to improve long-term development; and asset-based which utilize existing community resources. Common community development approaches include technical assistance using experts, self-help engaging community members, conflict management, and strategies address issues like food security, health care, water/sanitation, education, and microenterprise.