Periodic
a constant pattern
Lattice
Weather Pattern
Alternate means two things coming one after the other, then repeating.
The word is cycle. It means a series of events that are regularly repeated in the same order.
The term for repeating a quote word for word is called "verbatim."
Non-repeating decimals is not a word but a phrase. Non-repeating decimals are irrational numbers.
according
The word según means 'according to'
According to dictionary.com, there does not appear to be a single word that means "by default".
Meander or ramble.
Repeating