Progressive OPF lesson

Build a readable checklist

Preserve six complete entries while adding sequence, columns and supporting detail.

Each preview is a prepared render of its complete OPF example. The selected step records its render toolchain separately from the editable source.

Step 1

Write complete list entries

Each string in items is one entry. The engine adds list markers.

Try this

Replace one item with a concrete action.

Prepared render of this step. View full-size SVG.

Download or copy the complete OPF below, then paste it into the Playground to try the change. Prepared previews do not update live.

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Next: Check your deck.