relationship diagram

noun
UK /rɪˈleɪʃənʃɪp ˈdaɪəɡræm/
US /rɪˈleɪʃənʃɪp ˈdaɪəɡræm/

A picture that shows how people or things are connected to each other.

The teacher drew a relationship diagram to show which students are friends.


OTHER MEANINGS

2. A chart in a database that shows how tables are linked together.

The engineer studied the relationship diagram before adding a new table.

3. A drawing that shows how family members are related.

The relationship diagram on the wall showed all the cousins and grandparents.

4. A map that shows how ideas in a story connect to one another.

We made a relationship diagram of the characters in the book.