"[DCIIA] has identified several common barriers that inhibit a meaningful dialogue about the robust adoption of auto features. One such barrier is a lack of common definitions for varying auto features.... [DCIIA intends] to promote these definitions as a guidepost for discussions with plan sponsors, regulators, policy makers and influencers, and within the retirement industry itself. The definitions ... represent a common framework for discussing auto features, with the ultimate goal of increasing plan sponsor adoption of intelligent plan design features that improve participant retirement outcomes[.]"