1) Civic sense refers to the unspoken norms that help society function smoothly, such as respecting others, following rules, and contributing to the community. 2) It is important for a harmonious society as humans are social beings who live in interdependent groups. Each person has a duty to act responsibly and consider the needs of others. 3) Characteristics of good citizenship include honesty, kindness, respecting diversity, and engaging in community service. Citizens should avoid unlawful acts and contribute to goals like democracy, equality and peace.