Question for help

Hi all,
I am new in BPMS and would like to learn everything about YAWL ,i found some features in V4.3.1 but there are some questions about this version espicially ,can i get answers in the same following order?
1-are there other modelling or executing languages except YAWL in V4.3.1?
2-is there support for modelling using Business Rules or using engine to execute business rules?
3-are there reports ,pre-made templates for modelling, ?
4-can determine KPI?
if you can help me answer these questions , thank you!