The Type in the upper left of the lineage display provides a selection between either DATA FLOW Based upon connection definitions to data stores and physical transformation rules which transform and move the data) or SEMANTIC FLOW (based upon the definition and usage type relationships from a term, concept or logical Model to a physical representation.  Both data flow and semantic flow may be present in a diagram..

Data flow links are represented as solid black or gray lines and semantic lineage as dashed blue lines.  In most cases, diagrams are laid out so that data flow is shown as left (source) to right (destination) and semantic as top to bottom (more abstract or defining to usage).