What should be the 3 key considerations while managing a project?

Golden triangle (Scope, Cost, and Time (schedule)).

Scope, cost, time

1. Scope
2. Resource
3. Timeline

cost, time, scope are the essential key considerations, but you can add other three keys: quality, risk, and customer satisfacton.

Time, resource and requirements/expectation

The3 key Considerations while managing a Projects are

1.Cost

2.Time

3.Scope