rambling vs discursive

rambling and discursive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
rambling	No	Yes	No	No
discursive	No	Yes	No	No

As adjectives, rambling and discursive are synonyms defined as:

rambling and discursive: (of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects

Other synonyms of rambling include digressive, excursive.

rambling (adjective)	discursive (adjective)
of a path e.g.	(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects
(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects	proceeding to a conclusion by reason or argument rather than intuition
spreading out in different directions or distributed irregularly