arbitrariness

(product development) project

project (planned endeavour)

member, a person who is in a group / participant, attendee at an event / (programming) member in object-oriented programming / (Internet slang) suspect in a crime

big / broad, immense

arbitrary, as one wants or thinks / free, up to a person, according to their will, voluntary

any choices, arbitrary selections / free will

succeed / be successful in life

success / success in life, achievement in the world

to depend on