Song Flow

I am a newbie at tracking and Renoise but began feeling the comfort already, as the tracker paradigm somehow seems very logical and natural to me. There is something that is keeping me from progressing further, and it is the “song flow”. Tutorials etc… strangely doesn’t give an idea about this (at least for me).
How do you arrange and relate the patterns? I mean, the repeat count for a pattern, next pattern for a given pattern etc.

Use the sequence editor:

Drag the border to expand:

Patterns are played from top to bottom. More info: