Term Kind Topic What it is
Conformed Dimension Shared Dimension, Conformed Attribute pattern Dimensional Modelling A dimension defined once and used identically by every fact table, so that measures from different processes can be filtered and grouped together without a reconciliation argument.
Dimensional Model Star Schema, Kimball Model pattern Dimensional Modelling Organising analytical data as fact tables of measurements surrounded by dimension tables of descriptive context.
Grain Declaration practice Dimensional Modelling Stating exactly what one row of a fact table represents, before any column is chosen, because every later decision depends on it.