
Interpersonal communication occurs between two people. Interpersonal communications occurs between two related people, whether they are married, friends or acquaintances. As the communication evolves, it helps them define their relationship. Conversations can be meaningful or meaningless. Both help define the relationship.

Interpersonal communication occurs within a relationship. Interpersonal relationships occur between spouses, friends, family members, neighbors, co-workers and other that have relationships with each other.

Interpersonal communication evolves within relationships. Interpersonal communication develops over time in relationships.

Interpersonal communication defines relationships. Relationships are negotiated over time using interpersonal relationships. Some relationships are closer on an emotional level than others.
