Delegating a task clearly

I had to hand over a project to a junior colleague for the first time last month. I wanted her to take the lead on it properly, not just complete tasks I had already planned out for her. I told her to use your judgement on most of the day-to-day decisions — I didn't want to be involved in everything. Anything that might affect costs or the client relationship, she should run it by me first. I aske