The who, what, when, why, and how principle of leadership.
Have a high functioning team. You need your teams to be running at a high level. Maximum productivity. High levels of enthusiasm and morale.
The team lead or manager has done a poor job with enablement.
Ensure each team member can clearly answer the how, what, when, who, and why for their tasks.
This is the most important one. Everyone on your team should have the ability to complete their task sucessfully. The task can be challenging for them but not baffling or impossible.
Either reassign the task to someone who can complete it or get them the help they need to get it done.
Add acceptance criteria and discuss the story or task fully in planning. Followup with the team member during 1-1s and ensure they know what's required.
All stories and tasks should have deadlines. If a story doesn't have a deadline, it will drift aimlessly.
It needs to be clear who exactly answers these types of questions. The last thing you need is for someone to waste time trying to guess the answer to their question. Make sure they know the key contacts.
All team members should know how their work contributes to the current priorities of the team or company.
Here's one set of tips on how to improve your leadership abilities. I wrote it like a page on a medical website. It has the category of problem, the symptoms, the diagnosis, and a prescription to fix it.
A team running under a great leader will be able to answer all these questions.
As a test, walk up to one of your team members and ask them the above questions about the task they're working on. See how they do.
If they hesitate or don't know the answers, work on your leadership. Fix these issues and your team will not only work at a higher level of productivity but they'll be happier at their jobs!