Which enable...

Parents' evening are important events which enable parents and carers to discuss the child's strengths and weaknesses, share concerns and take an active part in their education.

https://esol.britishcouncil.org/sites/default/files/parents%27_evening_guide_woverhamton.pdf

Is "which enable parents..." a defining relative clause modifying the noun- events?

Are "share concerns" and "take...education" verb phrases having "parents and carers" as the subject?