Yes, with social
Communication, or pragmatic language, which is the give-&-take of converstion.
Vocabulary can be above average. They can expound on their narrow, repetitive areas of interest, but not recognize their audience's non-verbal cues to stop talking or allow them to respond. This is related to lack of theory of mind. Prosody, the inflections, cadence & rhthym of speech is often atypical, also.