Adobe AD0-903 exam key topics cover the following details. 

Intake and Planning (30%)

Managing work requests and reviewing custom data for appropriate action.
Understanding project tracking, risk management, sharing permissions, task settings, and key project data.
Configuring reports/dashboards for various roles in the project intake or planning stage.

Execute (50%)

Managing milestones, approvals, date types, and task constraints.
Locating and notifying teams, handling documents, managing tasks, and tracking financial elements.
Understanding Gantt charts, condition vs. progress status, and using Workfront groups and teams.
Customizing reports and determining project conditions.

Closeout (20%)

Executing required actions based on project status.
Reporting on task lists and wildcards.
Measuring project success and closing out projects effectively.