Watch the Approach 2: Breakdown online guitar lesson by Vicki Genfan from Rhythm Makeover: Vicki Genfan
Definition: Articulation - In music, articulation refers to the musical performance technique that affects the transition or continuity on a single note, or between multiple notes or sounds. (Wikipedia)
Take it in small pieces if you need to before tackling the whole progression. This way you’ll be sure to keep things neat, bouncy and clean. Watch for all the super short or staccato notes!