Which of the following are aspects of program governance $($select all that apply$)$

a$.$

developing a vision and program objectives based on business strategies and stakeholders$$ needs

b$.$

creating and enforcing mechanisms to track program progress and keep it aligned with objectives and strategies

c$.$

phase$-$gate reviews to decide whether the program should be continued or closed out

d$.$

creating plans and budgets for each of the projects in the program

e$.$

a committee of senior managers called the governance board