> Documentation index: https://momentum.atlasapps.us/docs/llms.txt > Canonical page: https://momentum.atlasapps.us/docs/concepts/training-structure # Momentum's training structure A Program gives you a reusable starting point. When you add it, Momentum creates your own dated training plan: workouts land on specific days, each attempt records what you did, and that history stays separate from the template and schedule. ## From a Program to your history A **Program** is a reusable multiweek template in **Library**. It gives you curated training to start from without becoming your personal schedule. A **training plan** is that personal schedule. It has dates of its own, and you can edit it without changing the source Program. Inside a training plan, a **schedule series** describes when an authored workout is scheduled, whether once or on a repeating pattern. Each **scheduled workout** is one occurrence from that series on one date. The series and the dated workout keep separate identities. When you train, a **performed attempt** records what happened without replacing the planned workout. Momentum keeps an attempt that finished all planned work as a **completed workout**. If you stop before all planned work is finished, it becomes an **ended-early workout** instead. ## How a training week takes shape Adding a Program creates a dated training plan alongside any training plans you already use. You can adjust that personal schedule as your week changes while the Program remains the reusable source. A schedule series places authored workouts on dates. Each scheduled workout is available on its date in **Plan**. When you train, Momentum records a new performed attempt and carries the result into history as completed or ended early. Over time, the schedule shows what was planned and history shows what you recorded. That separation keeps a later schedule change from rewriting the work you performed. ## What stays separate Editing a training plan does not edit its source Program or another training plan. Changing or ending a training plan does not erase its completed history or source attribution. Repeating a history item creates a new performed attempt; it does not edit the earlier result. Planned values remain prescriptions, while history contains recorded facts from the performed attempt. The two can differ. ## See it in Momentum - [Navigate Momentum](../getting-started/navigate-momentum.md)