Some forms and flavors of happiness….
Pleasure and enjoyment. Pleasure in sun, beauty, food, friendship, touch, etc. This has obvious evolutionary roots. We need food to survive, so find pleasure in good food. We need friendship and social connections to survive and thrive, so find pleasure in friendships. And so on. This is also a form of happiness in meeting goals, in having life align with simple shoulds, hopes, and expectations. The sense of happiness tends to be immediate and fleeting, although still very enjoyable and an important part of our everyday life.
Meaning and engagement. We can find a sense of meaning in many ways, perhaps most often through a sense of connection with something larger than ourselves. We can have a sense of meaning and purpose in existence itself, and in our own existence. A sense of belonging, of connection with a larger social, ecological, and cosmic whole. And a sense of meaning and purpose in our personal life through relationships, activities, work, study, engagement, and more.