9 Types of Models
9.1 Dimensions
9.1.1 Type 1 dimensions
9.1.2 Type 2 dimensions
9.2 Facts
9.2.1 Snapshot facts / Factless facts
9.2.2 Transactional fact tables
9.2.3 Periodic snapshot fact tables
9.2.4 Accumulating fact tables
https://brazenly.blogspot.com/2015/02/datawarehouse-dimensional-modeling_12.html