Which role is responsible for implementing websites, mobile applications and DAM features?

The editorial manager notices that the content team Is not following the recommended taxonomy and created tag duplicates in the different places of the tag hierarchy. The editorial manager follows up with the team and asks the Business Practitioner for the most efficient solution for the duplicates.
What should the Business Practitioner recommend the editorial manager use?

A content manager has many assets that the team is working to upload into AEM. Multiple users are responsible for adding the assets. Each asset must be uploaded only once.
What should the Business Practitioner update?

A product manager wants to Incorporate content that lets users knows where they are in the purchase flow.
This feature needs to be implemented efficiently and as quickly as possible.
What should the Business Practitioner recommend to meet this requirement?

A customer that uses version 6.5 wants 10 have a text component with basic text editing features. The solution must require minimal effort cost and time to meet the deadline.
Which approach should a Business Practitioner recommend?