semantic network

Short definition from Wiktionary

Noun

1. 1
   A graph whose vertices represent concepts and edges represent semantic relations, such as synonymy—having very similar meaning, hyponymy—being a subclass, or meronymy—being a part of a whole.
2. 2
   A quantitative research technique that analyzes the data in a control cell against a test cell to determine how viewing an ad strengthens the linkages between related ideas in a product category.
3. 3
   A quantitative research technique used to develop “selling pathways” to motivate sales.