In the theory of moral development, children and adolescents' moral, social conventional, and personality knowledge and reasoning emerge from their attempts to understand and deal with different forms of social experience.

domain

Explanation:

The domain theory of moral development has proposed that individuals acquire moral concepts about fairness, others’ welfare, and rights (the “moral” domain) beginning in early childhood, and that this knowledge develops during childhood and adolescence.

Beginning in early childhood, children construct moral, societal, and psychological concepts in parallel, rather than in succession, as is proposed by global stage theory (in which children are first selfish, then oriented to familial and societal regulation, and then formulating principled morality in adolescence). According domain theory, the morality includes concepts of physical harm, psychological harm, the distribution of resources, freedoms, and rights.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.