Star streaks are backwards. Stars would look blue as you approached and red as you go away.
When the camera pans past the suspended Aliens, a standard rubber bungee with 'S' hooks are visible.
When the Enterprise crew re-board the Axanar ship to figure out the language, Hoshi says it sounds 'bimodal'. Bimodal bilingualism refers to an individual or community's bilingual competency in at least one oral language and at least one sign language - oral and sign so for any language to 'sound bimodal' is impossible.